Door & Window Sensors | Surplus Network

New & Sealed! Eve Door & Window Smart Contact Sensor for Doors & Windows - NIB!

New & Sealed! Eve Door & Window Smart...

$23.99 USD

New & Sealed! Eve Door & Window Smart...

$23.99 USD

HONEYWELL ADEMCO 5814 WIRELESS MINI DOOR WINDOW CONTACT TRANSMITTER Ultra Small

HONEYWELL ADEMCO 5814 WIRELESS MINI...

$30.96 USD

HONEYWELL ADEMCO 5814 WIRELESS MINI...

$30.96 USD

Lot of 10 Ecolink WST-212 Honeywell Compatible Wireless Door/Window Sensors

Lot of 10 Ecolink WST-212 Honeywell...

$42.77 USD

Lot of 10 Ecolink WST-212 Honeywell...

$42.77 USD

10 Ecolink WST-212 Honeywell Wireless Door/Window Sensor W/ Local Bypass Button

10 Ecolink WST-212 Honeywell Wireless...

$42.77 USD

10 Ecolink WST-212 Honeywell Wireless...

$42.77 USD

eufy Security Garage Door Sensor Add-On for Garage-Control Cam and Cam Plus

eufy Security Garage Door Sensor...

$19.99 USD

eufy Security Garage Door Sensor...

$19.99 USD

Flipo Set of 10 Mini Door & Window Alarms

Flipo Set of 10 Mini Door & Window...

$19.99 USD

Flipo Set of 10 Mini Door & Window...

$19.99 USD

Ademco Door Contact Switch Combo (Qty 10)

Ademco Door Contact Switch Combo (Qty...

$19.99 USD

Ademco Door Contact Switch Combo (Qty...

$19.99 USD

GE My Simon/Interlogix Alarm Door Sensor Model 60-362N (Transmitter Only)

GE My Simon/Interlogix Alarm Door...

$25.00 USD

GE My Simon/Interlogix Alarm Door...

$25.00 USD

SABRE Shed/Garage Security Alarm with LOUD 120 dB Siren and Exit Entry Delays

SABRE Shed/Garage Security Alarm with...

$8.58 USD

SABRE Shed/Garage Security Alarm with...

$8.58 USD

Ring Doorbell Interchangeable Faceplate- Galaxy black Global

Ring Doorbell Interchangeable...

$10.00 USD

Ring Doorbell Interchangeable...

$10.00 USD

MAKE OFFER!! Nascom N505AS/STP1 industrial

MAKE OFFER!! Nascom N505AS/STP1...

$10.00 USD

MAKE OFFER!! Nascom N505AS/STP1...

$10.00 USD

1 Adjustable Screw Plunger Door Window Cabinet Picture Alarm Switch

1 Adjustable Screw Plunger Door...

$12.00 USD

1 Adjustable Screw Plunger Door...

$12.00 USD

Easy Home Door or Window Alarm 2 Pack

Easy Home Door or Window Alarm 2 Pack

$12.00 USD

Easy Home Door or Window Alarm 2 Pack

$12.00 USD

YARDGARD ALARM - Gate, Door, Window, Water Hazard

YARDGARD ALARM - Gate, Door, Window,...

$12.00 USD

YARDGARD ALARM - Gate, Door, Window,...

$12.00 USD

Sensor Entry Alarm Techko S080K Mighty Mini Alarm Magnetic Battery Powered

Sensor Entry Alarm Techko S080K...

$12.00 USD

Sensor Entry Alarm Techko S080K...

$12.00 USD

Lot of 5 New Zigbee Door Window Sensors - Home Assistant - Xfinity - Zigbee2mqtt

Lot of 5 New Zigbee Door Window...

$29.00 USD

Lot of 5 New Zigbee Door Window...

$29.00 USD

5x /Lot Anti Burglar Home Security Alarm For Window Door Loud and Easy to Use

5x /Lot Anti Burglar Home Security...

$9.99 USD

5x /Lot Anti Burglar Home Security...

$9.99 USD

Tuya Smart WiFi/Zigbee Door Sensor Window Sensor Door Magnetic Alarm Detector +

Tuya Smart WiFi/Zigbee Door Sensor...

$9.99 USD

Tuya Smart WiFi/Zigbee Door Sensor...

$9.99 USD

Tuya Zigbee Wireless Gateway Smart Home Security Alarm Door PIR Motion Sensor

Tuya Zigbee Wireless Gateway Smart...

$9.99 USD

Tuya Zigbee Wireless Gateway Smart...

$9.99 USD

Door Alarm Wireless Remote Control Door Window Security

Door Alarm Wireless Remote Control...

$8.00 USD

Door Alarm Wireless Remote Control...

$8.00 USD

Tuya Smart Life 2.4GHz WiFi Door/Window Sensor - Alexa & Google Home Compatible

Tuya Smart Life 2.4GHz WiFi...

$7.64 USD

Tuya Smart Life 2.4GHz WiFi...

$7.64 USD

TUYA Smart Life APP WIFI&GSM Wireless Home Security Burglar Alarm System Camera

TUYA Smart Life APP WIFI&GSM Wireless...

$2.99 USD

TUYA Smart Life APP WIFI&GSM Wireless...

$2.99 USD

ZigBee Smart Door Window Sensor TUYA WiFi Home Security Detector Alexa/Google UK

ZigBee Smart Door Window Sensor TUYA...

$2.99 GBP

ZigBee Smart Door Window Sensor TUYA...

$2.99 GBP

Wireless WiFi Window Door Sensor Alarm Home Security Burglar System Magnetic Lot

Wireless WiFi Window Door Sensor...

$10.85 USD

Wireless WiFi Window Door Sensor...

$10.85 USD

New & Sealed! Eve Door & Window Smart Contact Sensor for Doors & Windows - NIB!

New & Sealed! Eve Door & Window Smart...

$24.99 USD

New & Sealed! Eve Door & Window Smart...

$24.99 USD

Door Stop with Sound Alarm for Door, Window. Baby Safe. Anti Pet

Door Stop with Sound Alarm for Door,...

$24.99 USD

Door Stop with Sound Alarm for Door,...

$24.99 USD

Lot of 3 XFINITY Security Visonic XHS2-TY MCT-350 SMA ZigBee Door Window Sensor

Lot of 3 XFINITY Security Visonic...

$24.99 USD

Lot of 3 XFINITY Security Visonic...

$24.99 USD

1 Door & Window Alarm Contact Switch Normally Open, Recessed, 1.06" X 1"--Brown

1 Door & Window Alarm Contact Switch...

$6.14 USD

1 Door & Window Alarm Contact Switch...

$6.14 USD

Honeywell Intellisense FG-1608 Slim Acoustic Glass-Break Detector

Honeywell Intellisense FG-1608 Slim...

$24.00 USD

Honeywell Intellisense FG-1608 Slim...

$24.00 USD

DEFIANT HOME SECURITY 2-PACK DOOR OR WINDOW ALARM

DEFIANT HOME SECURITY 2-PACK DOOR OR...

$8.96 USD

DEFIANT HOME SECURITY 2-PACK DOOR OR...

$8.96 USD

DSC WLS925L-433 Wireless Door/Window Contact - Used

DSC WLS925L-433 Wireless Door/Window...

$16.95 USD

DSC WLS925L-433 Wireless Door/Window...

$16.95 USD

NEW SimpliSafe Home Security Window/Door Entry Sensor ES3 White Gen 3

NEW SimpliSafe Home Security...

$14.99 USD

NEW SimpliSafe Home Security...

$14.99 USD

*OPEN BOX* 2GIG Model 2GIG-DW20R Recessed Door Contact for Home Security

*OPEN BOX* 2GIG Model 2GIG-DW20R...

$14.99 USD

*OPEN BOX* 2GIG Model 2GIG-DW20R...

$14.99 USD

LOT OF 10 DOOR WINDOW SENSOR 2.4 GHz XFINITY XHS2-UE COMCAST/ZIGBEE HOME SECURIT

LOT OF 10 DOOR WINDOW SENSOR 2.4 GHz...

$39.86 USD

LOT OF 10 DOOR WINDOW SENSOR 2.4 GHz...

$39.86 USD

3 Door & Window Alarm Contact Switch Normally Closed, Wired Surface Mount-White

3 Door & Window Alarm Contact Switch...

$15.75 USD

3 Door & Window Alarm Contact Switch...

$15.75 USD

3 Door & Window Alarm Contact Switch Normally Open, Surface Mount--White

3 Door & Window Alarm Contact Switch...

$15.70 USD

3 Door & Window Alarm Contact Switch...

$15.70 USD

Z-Wave Sensors: Door Window x2, Motion x1, Siren x1 works w/ Samsung SmartThing

Z-Wave Sensors: Door Window x2,...

$49.49 USD

Z-Wave Sensors: Door Window x2,...

$49.49 USD

Alarm System 5 Pack Mini Wireless Door and Window Security Entry Flipo

Alarm System 5 Pack Mini Wireless...

$3.99 USD

Alarm System 5 Pack Mini Wireless...

$3.99 USD

1 Door & Window Alarm Contact Switch Normally Closed, 1.06" X 1"--White

1 Door & Window Alarm Contact Switch...

$9.07 USD

1 Door & Window Alarm Contact Switch...

$9.07 USD

10 pc NO Recessed Door Contacts N.O. Alarm Door Window Sensors Magnetic Switch

10 pc NO Recessed Door Contacts N.O....

$34.99 USD

10 pc NO Recessed Door Contacts N.O....

$34.99 USD

Alula RE322 DSC Compatible Door/Window Home Security NanoMax Sensor

Alula RE322 DSC Compatible...

$28.00 USD

Alula RE322 DSC Compatible...

$28.00 USD

Honeywell Home Sensors 944T-WH Recessed 3/8" Magnetic Contact w/ Screw Terminals

Honeywell Home Sensors 944T-WH...

$12.50 USD

Honeywell Home Sensors 944T-WH...

$12.50 USD

4 Pack SECRUI Wireless Door/Window Alarm - 4 Modes NEW

4 Pack SECRUI Wireless Door/Window...

$35.00 USD

4 Pack SECRUI Wireless Door/Window...

$35.00 USD

4pk Window And Door Alarms RETAIL PACK Batteries INCLUDED LOUD 90dB NO TOOLS!

4pk Window And Door Alarms RETAIL...

$8.99 USD

4pk Window And Door Alarms RETAIL...

$8.99 USD

KERUI Wireless Remote Control Working with KERUI Home Alarm System White 433 mHZ

KERUI Wireless Remote Control Working...

$9.90 USD

KERUI Wireless Remote Control Working...

$9.90 USD

LOT OF 5 DOOR WINDOW SENSOR 2.4 GHz XFINITY XHS2-UE COMCAST HOME SECURITY

LOT OF 5 DOOR WINDOW SENSOR 2.4 GHz...

$24.77 USD

LOT OF 5 DOOR WINDOW SENSOR 2.4 GHz...

$24.77 USD

LOT OF 3 XFINITY XHS2-UE DOOR/WINDOW SENSOR COMCAST HOME SECURITY 2.4GHz

LOT OF 3 XFINITY XHS2-UE DOOR/WINDOW...

$15.77 USD

LOT OF 3 XFINITY XHS2-UE DOOR/WINDOW...

$15.77 USD

HOMSECUR C2-1Wireless Door/Window Sensor With For HOMSECUR Alarm System

HOMSECUR C2-1Wireless Door/Window ...

$18.98 USD

HOMSECUR C2-1Wireless Door/Window ...

$18.98 USD

2x Ademco 379 Window Foil Take & Contact Switch Combos & Insulators USA Made

2x Ademco 379 Window Foil Take &...

$21.24 USD

2x Ademco 379 Window Foil Take &...

$21.24 USD

1 Door & Window Alarm Contact Switch Normally Closed, Wired Surface Mount-Brown

1 Door & Window Alarm Contact Switch...

$8.45 USD

1 Door & Window Alarm Contact Switch...

$8.45 USD

Interlogix DesignLine Garage Door Sensor White TX-8010-01-1

Interlogix DesignLine Garage Door...

$12.75 USD

Interlogix DesignLine Garage Door...

$12.75 USD

1 Door & Window Alarm Contact Switch Normally Closed, Wired Surface Mount-White

1 Door & Window Alarm Contact Switch...

$9.15 USD

1 Door & Window Alarm Contact Switch...

$9.15 USD

MOES ZigBee Smart Window Door Gate Sensor Detector Home Security Alarm System

MOES ZigBee Smart Window Door Gate...

$10.39 USD

MOES ZigBee Smart Window Door Gate...

$10.39 USD

Vintage Chain Burglar Alarm Home Double Lock Protection for Doors/Windows

Vintage Chain Burglar Alarm Home...

$20.00 USD

Vintage Chain Burglar Alarm Home...

$20.00 USD

ATT (SW-ATT-RDW) Wireless Recessed Door/Window Sensor

ATT (SW-ATT-RDW) Wireless Recessed...

$6.99 USD

ATT (SW-ATT-RDW) Wireless Recessed...

$6.99 USD

2 Wireless Window Door Guard Glass Break Vibration Home Burglar Security Alarm

2 Wireless Window Door Guard Glass...

$20.99 USD

2 Wireless Window Door Guard Glass...

$20.99 USD

Resideo 7945BR XTP Transient Protection Form A Reed Magnetic Contacts

Resideo 7945BR XTP Transient...

$8.10 USD

Resideo 7945BR XTP Transient...

$8.10 USD

4PCS 433MHz HOMSECUR Wireless Door/Window Sensors For Home Security Alarm System

4PCS 433MHz HOMSECUR Wireless...

$27.62 USD

4PCS 433MHz HOMSECUR Wireless...

$27.62 USD

10 Door & Window Alarm Contact Switch Normally Closed, Wired Surface Mount-Brown

10 Door & Window Alarm Contact Switch...

$36.75 USD

10 Door & Window Alarm Contact Switch...

$36.75 USD

20 Door & Window Alarm Contact Switch Normally Closed, Wired Surface Mount-Brown

20 Door & Window Alarm Contact Switch...

$68.75 USD

20 Door & Window Alarm Contact Switch...

$68.75 USD

20 Door & Window Alarm Contact Switch Normally Closed, Wired Surface Mount-White

20 Door & Window Alarm Contact Switch...

$68.75 USD

20 Door & Window Alarm Contact Switch...

$68.75 USD

Honeywell 5814 Wireless Mini Door Window Sensor Contact Transmitter Lot of 8

Honeywell 5814 Wireless Mini Door...

$104.49 USD

Honeywell 5814 Wireless Mini Door...

$104.49 USD

Faux Dummy Motion Sensor, FS-IMS200 - Free Shipping

Faux Dummy Motion Sensor, FS-IMS200 -...

$9.77 USD

Faux Dummy Motion Sensor, FS-IMS200 -...

$9.77 USD

10 - SF-19 INTRUD wireless Door Window Alarm Home Security Magnetic Sensor 100dB

10 - SF-19 INTRUD wireless Door...

$39.99 USD

10 - SF-19 INTRUD wireless Door...

$39.99 USD

5 Ecolink WST-212 Honeywell Wireless Door/Window Sensor With Local Bypass Button

5 Ecolink WST-212 Honeywell Wireless...

$23.86 USD

5 Ecolink WST-212 Honeywell Wireless...

$23.86 USD

Brand New Inovonics EN1212 Dual Input...

$71.99 USD

Brand New Inovonics EN1212 Dual Input...

$71.99 USD

Alert Home Door Alarm System 1-Pack NEW 90db Windows / Doors / Homes

Alert Home Door Alarm System 1-Pack...

$8.16 USD

Alert Home Door Alarm System 1-Pack...

$8.16 USD

GE Window Or Door Alarm 45115

GE Window Or Door Alarm 45115

$3.19 USD

GE Window Or Door Alarm 45115

$3.19 USD

Vintage 1984 Justen Chain Burglar Alarm Home Dual Lock Protection Doors/Windows

Vintage 1984 Justen Chain Burglar...

$19.88 USD

Vintage 1984 Justen Chain Burglar...

$19.88 USD

BRAND NEW EASY HOME DOOR OR WINDOW...

$12.99 USD

BRAND NEW EASY HOME DOOR OR WINDOW...

$12.99 USD

VINTAGE HT CHAIN BURGLAR ALARM FOR DOORS OR WINDOWS SEALED NOS

VINTAGE HT CHAIN BURGLAR ALARM FOR...

$12.99 USD

VINTAGE HT CHAIN BURGLAR ALARM FOR...

$12.99 USD

Noopel Door & Window Wireless Alarm 120dB Alarm 2pk New Sealed

Noopel Door & Window Wireless Alarm...

$9.95 USD

Noopel Door & Window Wireless Alarm...

$9.95 USD

Home Alarm System(3rd Gen), 4pack 120dB Alarm Door/Window Sensors with a Gateway

Home Alarm System(3rd Gen), 4pack...

$44.99 USD

Home Alarm System(3rd Gen), 4pack...

$44.99 USD

GE Security / Sentrol 1085N Window/ 30 Door contacts wire leads/white surface mt

GE Security / Sentrol 1085N Window/...

$14.95 USD

GE Security / Sentrol 1085N Window/...

$14.95 USD

Vintage Archer Chain Lock Alarm Home Chain Lock Protection for Doors

Vintage Archer Chain Lock Alarm Home...

$21.92 USD

Vintage Archer Chain Lock Alarm Home...

$21.92 USD

1 Door & Window Alarm Contact Switch Normally Closed ScrewT, 5/8" X 3/8"--White

1 Door & Window Alarm Contact Switch...

$8.09 USD

1 Door & Window Alarm Contact Switch...

$8.09 USD

433Mhz Wireless Shutter Door Sensor Garage Roller Switch For Home Alarm System g

433Mhz Wireless Shutter Door Sensor...

$17.96 USD

433Mhz Wireless Shutter Door Sensor...

$17.96 USD

(1) Security Alarm Magnet Sensor For Doors & Window

(1) Security Alarm Magnet Sensor For...

$13.02 USD

(1) Security Alarm Magnet Sensor For...

$13.02 USD

WBOX Technologies Magnetic Contact Switche OE-DC4811

WBOX Technologies Magnetic Contact...

$16.99 USD

WBOX Technologies Magnetic Contact...

$16.99 USD

(2) Pool Alarms for windows and doors

(2) Pool Alarms for windows and doors

$39.95 USD

(2) Pool Alarms for windows and doors

$39.95 USD

NEW SimpliSafe Home Security Window/Door Entry Sensor ES3 White Gen 3

NEW SimpliSafe Home Security...

$11.99 USD

NEW SimpliSafe Home Security...

$11.99 USD

NEW Interlogix 1078CT-N Recessed Steel Door Terminal Contact, 3/4" White (BN111)

NEW Interlogix 1078CT-N Recessed...

$7.99 USD

NEW Interlogix 1078CT-N Recessed...

$7.99 USD

Lot of 5 GE Smart Home NEW Magnetic Window Alarms/Personal Security Alarms

Lot of 5 GE Smart Home NEW Magnetic...

$12.95 USD

Lot of 5 GE Smart Home NEW Magnetic...

$12.95 USD

SABRE HS-SGA Shed/Garage Security Alarm, Loud 120 dB Siren and Exit Entry Delays

SABRE HS-SGA Shed/Garage Security...

$12.95 USD

SABRE HS-SGA Shed/Garage Security...

$12.95 USD

(7) Security Alarm Magnet Sensors For Doors & Window W/Double Sides Tape

(7) Security Alarm Magnet Sensors For...

$25.02 USD

(7) Security Alarm Magnet Sensors For...

$25.02 USD

LOT of 5 Xfinity Home XHS2-SE Door/Window Sensors

LOT of 5 Xfinity Home XHS2-SE...

$27.86 USD

LOT of 5 Xfinity Home XHS2-SE...

$27.86 USD

LOT OF 20 DOOR WINDOW SENSOR 2.4 GHz XFINITY XHS2-UE COMCAST/ZIGBEE HOME SECURIT

LOT OF 20 DOOR WINDOW SENSOR 2.4 GHz...

$77.86 USD

LOT OF 20 DOOR WINDOW SENSOR 2.4 GHz...

$77.86 USD

4PCS 433MHz HOMSECUR Wireless Door/Window Sensors For Home Security Alarm System

4PCS 433MHz HOMSECUR Wireless...

$28.16 USD

4PCS 433MHz HOMSECUR Wireless...

$28.16 USD

Window & Door 4 Pack Security Alarm with Glass Breaker Battery Operated No Wire

Window & Door 4 Pack Security Alarm...

$14.90 USD

Window & Door 4 Pack Security Alarm...

$14.90 USD

Vintage NEW Justen Chain Burglar Alarm Home Dual Lock Protection Doors Windows

Vintage NEW Justen Chain Burglar...

$19.95 USD

Vintage NEW Justen Chain Burglar...

$19.95 USD

SwitchBot Door Alarm Contact Sensor - Wireless Window Alarm and Door Sensor

SwitchBot Door Alarm Contact Sensor -...

$34.98 USD

SwitchBot Door Alarm Contact Sensor -...

$34.98 USD

SKK wifi intelligent household alarm ZGH-900

SKK wifi intelligent household alarm...

$36.00 USD

SKK wifi intelligent household alarm...

$36.00 USD

XHS2-UE Xfinity Door or Window Sensor Comcast Home Security - 2.4GHz - NEW

XHS2-UE Xfinity Door or Window...

$9.56 USD

XHS2-UE Xfinity Door or Window...

$9.56 USD

433Mhz Wireless Shutter Door Sensor Garage Roller Switch For Home Alarm System y

433Mhz Wireless Shutter Door Sensor...

$17.99 USD

433Mhz Wireless Shutter Door Sensor...

$17.99 USD

1 Door & Window Alarm Contact Switch Normally Closed Small, 5/8" X 3/8"--White

1 Door & Window Alarm Contact Switch...

$6.70 USD

1 Door & Window Alarm Contact Switch...

$6.70 USD

L6B WIRELESS Alert IR INFRARED BEAM Motion SENSOR Door Alarm Detector Sleep Walk

L6B WIRELESS Alert IR INFRARED BEAM...

$34.64 GBP

L6B WIRELESS Alert IR INFRARED BEAM...

$34.64 GBP

Bell & Howell SONIC ALARM System 8 Wireless Battery Operated Door/Window Alarms

Bell & Howell SONIC ALARM System 8...

$15.00 USD

Bell & Howell SONIC ALARM System 8...

$15.00 USD

HTZSAFE Wireless Door/Window Sensor Alarm System 200 Meters Transmission Range

HTZSAFE Wireless Door/Window Sensor...

$26.99 USD

HTZSAFE Wireless Door/Window Sensor...

$26.99 USD

Glass Break Alarm 100db 2 Pack

Glass Break Alarm 100db 2 Pack

$15.95 USD

Glass Break Alarm 100db 2 Pack

$15.95 USD

OUVOPO Home Alarm System 7 Piece, WiFi Smart Alarm System for Home Security ,...

OUVOPO Home Alarm System 7 Piece,...

$65.00 USD

OUVOPO Home Alarm System 7 Piece,...

$65.00 USD