Skip to main content
eBay logo

Shop by category

Advanced
    • Help & Contact
    • Summer
    • Sell
    • My eBayExpand My eBay
      • Summary
      • Recently Viewed
      • Bids/Offers
      • Watch List
      • Purchase History
      • Selling
      • Saved Searches
      • Saved Sellers
      • My Garage
      • Messages

    There seems to be a problem serving the request at this time

    You are here

    • eBay
    • Home, Furniture & DIY
    • Home Security
    • Door & Window Sensors

    Door & Window Sensors

    Side Refine Panel

    Shop by category

    • Home Security
    • Door & Window Sensors
    • Alarm Systems
    • Door Entry Systems & Intercoms
    • Dummy Bell Boxes
    • Fire Escape Ladders
    • Key Safes, Boxes & Hideaways
    • Key Blanks
    • Key Fobs
    • Glass Break Detectors
    • Padlocks
    • Personal Alarms
    • Safes
    • Security Bars & Grills
    • Security Keypads
    • Security Signs & Decals
    • Security Timers
    • Sirens
    • Smoke & Gas Detectors
    • Wall Spikes & Barbed Wire
    • Water & Temperature Detectors
    • Remotes & Wireless Transmitters
      • Home Security Parts
      • Other Home Security
    LessView less categories

    Shop by Connectivity

    • Wireless

    • Wired

    • Wi-Fi

    Shop by Type

    • Door Alarm

    • Window Sensor

    • Keypad

    • Door Sensor

    • All

    • Auction

    • Buy it now

    • Best Match
    • Time: ending soonest
    • Time: newly listed
    • Price + postage: lowest first
    • Price + postage: highest first
    • Distance: nearest first
    • List view

    2,169 results

      • Window Sensor
      • All listings filter applied
    • response alarms 433mhz SA door/window contact brand new with new batteries 

      response alarms 433mhz SA door/window contact brand new with new batteries 

      Private
      EUR 16.90
      EUR 11.91 postage
    • Magnetic Sensor, Wireless Door/Window-Burglar Alarm for Shop/Counter/Business

      Magnetic Sensor, Wireless Door/Window-Burglar Alarm for Shop/Counter/Business

      Private
      EUR 2.91
      0 bids
      EUR 10.37 postage
      Ending Jul 4 at 12:31PM BST6d 15h
    • DUALCURTAINOUTDOOR Détecteur PIR type double rideau AJAX DualCurtain Outdoor

      DUALCURTAINOUTDOOR Détecteur PIR type double rideau AJAX DualCurtain Outdoor

      Business
      EUR 155.00
      EUR 15.00 postage
    • 1 MOBILE Monitored Alarm System Installed-External Sticker-Warning Security Sign

      1 MOBILE Monitored Alarm System Installed-External Sticker-Warning Security Sign

      Business
      EUR 2.38
      EUR 2.62 postage
      563 sold
    • 1 x MOBILE Monitored Alarm System Installed-Window Sticker-Warning Security Sign

      1 x MOBILE Monitored Alarm System Installed-Window Sticker-Warning Security Sign

      Business
      EUR 2.38
      EUR 2.62 postage
      423 sold
    • 6 MOBILE Monitored Alarm System Installed-Window Stickers-Warning Security Signs

      6 MOBILE Monitored Alarm System Installed-Window Stickers-Warning Security Signs

      Business
      EUR 4.17
      EUR 2.62 postage
      1,341 sold
    • New Flipo Security Door Stop Alarm ~ Personnel Security Battery Operated Alarm

      New Flipo Security Door Stop Alarm ~ Personnel Security Battery Operated Alarm

      Private
      EUR 9.32
      0 bids
      EUR 14.24 postage
      Ending Saturday at 7:00PM BST4d 21h
      or Best Offer
    • Steel Security Door/Gate with Lockbox  2000mm H x  950mm W powder coated black

      Steel Security Door/Gate with Lockbox 2000mm H x 950mm W powder coated black

      Business
      EUR 170.17
      EUR 72.09 postage
      90 sold
    • 6 MOBILE Monitored Alarm System Installed-External Sticker-Warning Security Sign

      6 MOBILE Monitored Alarm System Installed-External Sticker-Warning Security Sign

      Business
      EUR 4.17
      EUR 2.62 postage
      705 sold
    • WiFi Smart Door Window Sensor Home Security Alarm Detector For Alexa Google Home

      WiFi Smart Door Window Sensor Home Security Alarm Detector For Alexa Google Home

      Business
      EUR 15.14
      EUR 8.96 postage
      88 sold
    • WIRELESS PIR SHOCK BATTERY BY DURACELL PYRONIX TEXECOM VISONIC CONTACT CR123A 3v

      WIRELESS PIR SHOCK BATTERY BY DURACELL PYRONIX TEXECOM VISONIC CONTACT CR123A 3v

      Business
      EUR 3.46
      EUR 8.71 postage
    • Wedge Door Stop Alarm System Device Intruder Alert Home Security 120dB

      Wedge Door Stop Alarm System Device Intruder Alert Home Security 120dB

      Business
      EUR 6.78
      EUR 8.81 postage
    • 2 x PROTECTED: WINDOW STICKERS, INTRUDER ALARM, CCTV DETER BURGLARS LOCK SNAP

      2 x PROTECTED: WINDOW STICKERS, INTRUDER ALARM, CCTV DETER BURGLARS LOCK SNAP

      Private
      EUR 3.23
      EUR 3.00 postage
      Only 3 left
    • Steel SECURITY Door /Gate  2000mm x 1000 mm - Powder Coated Grey

      Steel SECURITY Door /Gate 2000mm x 1000 mm - Powder Coated Grey

      Business
      EUR 205.91
      EUR 63.74 postage
      25 watching
    • Tuya WiFi Smart Door Window Sensor Detector Real time Alarm Alexa Google Home

      Tuya WiFi Smart Door Window Sensor Detector Real time Alarm Alexa Google Home

      Business
      EUR 10.74
      Free postage
      or Best Offer
      18 sold
    • RSI Door/Window Sensor - White - with wired input CT201W

      RSI Door/Window Sensor - White - with wired input CT201W

      Private
      EUR 34.97
      0 bids
      EUR 14.57 postage
      Ending Saturday at 6:03PM BST4d 20h
      or Best Offer
    • BOSCH - I Am Smart - Door/Window Contact - Connects to alarm/thermostat - Ex Dis

      BOSCH - I Am Smart - Door/Window Contact - Connects to alarm/thermostat - Ex Dis

      Business
      EUR 19.22
      EUR 12.37 postage
      or Best Offer
    • 4 x Fibaro Door Window Sensor - Home Security Safety

      4 x Fibaro Door Window Sensor - Home Security Safety

      Private
      EUR 93.23
      EUR 22.29 postage
      or Best Offer
    • Door Alarm Security For Your Home Brand New

      Door Alarm Security For Your Home Brand New

      Private
      EUR 6.98
      0 bids
      EUR 10.47 postage
      Ending Thursday at 1:48PM BST2d 16h
    • 5 Monitored Alarm System Installed & CCTV Camera Security Warning Window Sticker

      5 Monitored Alarm System Installed & CCTV Camera Security Warning Window Sticker

      Business
      EUR 2.97
      EUR 2.62 postage
      1,468 sold
    • Sonoff RF Bridge Smart WiFi Remote Window/Door PIR Motion Sensor Home Alarm Set

      Sonoff RF Bridge Smart WiFi Remote Window/Door PIR Motion Sensor Home Alarm Set

      Business
      EUR 2.85 to EUR 32.54
      EUR 2.85 postage
    • Set of 5  Fuers Tuya Smart Home WiFi Door Sensor

      Set of 5 Fuers Tuya Smart Home WiFi Door Sensor

      Private
      EUR 34.97
      EUR 9.80 postage
      or Best Offer
    • RSI Door/Window Sensor Wireless - white + Batteries

      RSI Door/Window Sensor Wireless - white + Batteries

      Private
      EUR 34.97
      0 bids
      EUR 12.24 postage
      Ending Saturday at 6:22PM BST4d 20h
      or Best Offer
    • New iOS Android APP Wireless GSM and SMS Home House Alarm System Security KR19

      New iOS Android APP Wireless GSM and SMS Home House Alarm System Security KR19

      Business
      EUR 6.79 to EUR 63.12
      EUR 8.83 postage
    • Pyronix FPKX15DQ Quad Technology 15m PIR Sensor Volumetric Detector

      Pyronix FPKX15DQ Quad Technology 15m PIR Sensor Volumetric Detector

      Private
      EUR 21.55
      (EUR 21.55/100g)
      EUR 9.10 postage
      or Best Offer
    • Securi Window Door Alarm Sensor Standalone Wireless Loud Burglar Home Security

      Securi Window Door Alarm Sensor Standalone Wireless Loud Burglar Home Security

      Business
      EUR 8.35
      EUR 4.18 postage
    • 6 x 130mm Thorpe Alarm CCTV™ Security Stickers-Alarm Warning Signs-Bell Box,Door

      6 x 130mm Thorpe Alarm CCTV™ Security Stickers-Alarm Warning Signs-Bell Box,Door

      Business
      EUR 4.17
      EUR 2.62 postage
      81 sold
    • Swann Wireless Window Sensor Alarm | Glass Break Vibration | 110DB | Burglar

      Swann Wireless Window Sensor Alarm | Glass Break Vibration | 110DB | Burglar

      Business
      EUR 8.15
      (EUR 8.15/Unit)
      EUR 8.81 postage
      or Best Offer
      88 sold
    • Noopel - 2 x Door & Window Magnetic Sensor Triggered Alarm - Home Security - New

      Noopel - 2 x Door & Window Magnetic Sensor Triggered Alarm - Home Security - New

      Private
      EUR 3.50
      0 bids
      EUR 16.21 postage
      Ending Jul 4 at 11:17AM BST6d 13h
    • Fibaro Door Window Sensor - Home Security Safety

      Fibaro Door Window Sensor - Home Security Safety

      Private
      EUR 23.30
      EUR 17.28 postage
      or Best Offer
    • Honeywell Wireless 15m x 18m Dual Tec Sensor DT8M

      Honeywell Wireless 15m x 18m Dual Tec Sensor DT8M

      Private
      EUR 17.48
      EUR 12.91 postage
      or Best Offer
    • Tuya WiFi Smart Door Window Sensor Detector Security Alarm For Google Home Alexa

      Tuya WiFi Smart Door Window Sensor Detector Security Alarm For Google Home Alexa

      Private
      EUR 5.83
      EUR 11.27 postage
      11 watching
    • 10x fluorescent dayglo yellow CCTV cameras in operation window warning stickers

      10x fluorescent dayglo yellow CCTV cameras in operation window warning stickers

      Business
      EUR 4.29
      EUR 2.87 postage
      74 sold
    • Olympia Electronics Magnetic trap (white) low profile NC PN: BS-429_W

      Olympia Electronics Magnetic trap (white) low profile NC PN: BS-429_W

      Business
      EUR 2.68
      EUR 6.99 postage
    • CS1-J Cylindre Pneumatique à Magnétique Capteur Magnétique Interrupteur

      CS1-J Cylindre Pneumatique à Magnétique Capteur Magnétique Interrupteur

      Business
      EUR 7.66
      Free postage
    • Secrui KW18 Wifi Wireless Home Alarm Security System Burglar Intruder SMS GSM

      Secrui KW18 Wifi Wireless Home Alarm Security System Burglar Intruder SMS GSM

      Business
      EUR 6.79 to EUR 63.12
      EUR 8.81 postage
    • Portable Security Safety Door Stopper Blocking Warning Alarm Wedge Alert System

      Portable Security Safety Door Stopper Blocking Warning Alarm Wedge Alert System

      Business
      EUR 10.26
      Free postage
      or Best Offer
    • GMET-Doorstop Alarm 120 DB (A)-Portable Door Monitor For Home & Travel - Germany

      GMET-Doorstop Alarm 120 DB (A)-Portable Door Monitor For Home & Travel - Germany

      Private
      EUR 28.67
      EUR 71.68 postage
    • Swann Wireless Door Contact Magnetic Alarm |Twin Pack | 110db Siren | Standalone

      Swann Wireless Door Contact Magnetic Alarm |Twin Pack | 110db Siren | Standalone

      Business
      EUR 9.31
      (EUR 4.66/Unit)
      EUR 8.83 postage
      or Best Offer
    • Wireless Window Door Burglar Security Alarm System Magnetic Sensor (1pc)

      Wireless Window Door Burglar Security Alarm System Magnetic Sensor (1pc)

      Business
      EUR 4.20
      Free postage
      or Best Offer
    • WiFi Smart Door Window Sensor Alarm Home Security Detector For Alexa Google

      WiFi Smart Door Window Sensor Alarm Home Security Detector For Alexa Google

      Business
      EUR 11.64
      (EUR 11.64/Unit)
      EUR 8.88 postage
      Only 3 left
    • 1 x Millionaire Inside-Window,Car,Van,Sticker,Sign,Vehicle,Adhesive,Money,Rich

      1 x Millionaire Inside-Window,Car,Van,Sticker,Sign,Vehicle,Adhesive,Money,Rich

      Business
      EUR 2.38
      EUR 2.62 postage
    • 1 x French Bulldog Inside-Window,Car,Van,Sticker,Sign,Adhesive,Dog,Pet,On,Board

      1 x French Bulldog Inside-Window,Car,Van,Sticker,Sign,Adhesive,Dog,Pet,On,Board

      Business
      EUR 2.38
      EUR 2.62 postage
    • 8x 433Mhz Wireless Burglar Door Window Sensor House Security for Alarm System

      8x 433Mhz Wireless Burglar Door Window Sensor House Security for Alarm System

      Business
      EUR 4.59 to EUR 26.52
      EUR 2.85 postage
      28 sold
    • Tuya Security WiFi Door Open Closed Detectors Smart Alarm Vibration Sensor

      Tuya Security WiFi Door Open Closed Detectors Smart Alarm Vibration Sensor

      Business
      EUR 16.40
      Free postage
      or Best Offer
    • 1 x Vehicle Made the Kessel Run 12 Parsecs,Window,Car,Van,Sticker,Sign,Makes

      1 x Vehicle Made the Kessel Run 12 Parsecs,Window,Car,Van,Sticker,Sign,Makes

      Business
      EUR 2.74
      EUR 2.62 postage
      182 sold
    • Deluxe Wedge Door Stop Alarm System Device Intruder Alert Home Security 120dB

      Deluxe Wedge Door Stop Alarm System Device Intruder Alert Home Security 120dB

      Business
      EUR 7.57
      EUR 8.83 postage
    • 6 x Monitored Alarm Installed CCTV Camera Security Warning Window Stickers Signs

      6 x Monitored Alarm Installed CCTV Camera Security Warning Window Stickers Signs

      Business
      EUR 4.17
      EUR 2.62 postage
      281 sold

    Results pagination - page 1

    1. 1
    2. 2
    3. 3
    4. 4
    5. 5
    6. 6
    7. 7
    8. 8
    9. 9
    10. 10

    Additional site navigation

    • About eBay
    • News
    • Community
    • Safety Centre
    • Seller Centre
    • VeRO: Protecting Intellectual Property
    • Policies
    • Help & Contact
    • Site Map
    Copyright © 1995-2022 eBay Inc. All Rights Reserved. User Agreement, Privacy, Cookies and AdChoiceNorton Secured - powered by DigiCert