![Alarm Door Contact - CQR SC517- Professional Type - Magnetic Reed Switch X 10](https://i.ebayimg.com/thumbs/images/g/qmUAAOSw8-tWVBNX/s-l140.jpg) | Alarm Door Contact - CQR SC517- Professional Type - Magnetic Reed Switch X 10 GBP 39.95 Category : Door & Window Sensors Seller : sapphire-security-and-electrical(8475, 100.0%) | ![BRAND NEW SWANN HOME SERIES WINDOW & DOOR MAGNETIC ALARM SW351 PROTECT SHED F](https://i.ebayimg.com/thumbs/images/g/7r8AAOSwqYdhD~bx/s-l140.jpg) | BRAND NEW SWANN HOME SERIES WINDOW & DOOR MAGNETIC ALARM SW351 PROTECT SHED F GBP 4.89 Category : Door & Window Sensors Seller : s2812(5707, 100.0%) |
![10Pack RC-33 NC Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch](https://i.ebayimg.com/thumbs/images/g/6IkAAOSwlhdmHNb4/s-l140.jpg) | 10Pack RC-33 NC Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch GBP 19.02 Category : Door & Window Sensors Seller : toptrade168(249, 99.4%) | ![Portable Anti-Slip Base 120 Decibel Home Independent Security Alarm Bell Door](https://i.ebayimg.com/thumbs/images/g/kZwAAOSwUPtmdbLI/s-l140.jpg) | Portable Anti-Slip Base 120 Decibel Home Independent Security Alarm Bell Door GBP 6.43 Category : Door & Window Sensors Seller : shark722(250, 95.0%) |
![ClickSmart+ CSP031 Smart Window & Door sensor](https://i.ebayimg.com/thumbs/images/g/vXsAAOSwb5FlnshW/s-l140.jpg) | ClickSmart+ CSP031 Smart Window & Door sensor GBP 39.81 Category : Door & Window Sensors Seller : lightandpowersolutionslimited(53102, 99.6%) | ![YALE HSA PREMIUM+ ALARM TAGS x2 - BRAND NEW](https://i.ebayimg.com/thumbs/images/g/cBkAAOSwoflmfdKF/s-l140.jpg) | YALE HSA PREMIUM+ ALARM TAGS x2 - BRAND NEW GBP 9.99 Category : Door & Window Sensors Seller : ledre_64(56, 98.6%) |
![Wireless Remote Control Vibration Alarm Sensor For Car Window Door Home Security](https://i.ebayimg.com/thumbs/images/g/218AAOSwsMBln7lO/s-l140.jpg) | Wireless Remote Control Vibration Alarm Sensor For Car Window Door Home Security GBP 8.93 Category : Door & Window Sensors Seller : lku6_8(2163, 98.8%) | ![Door Window Home SmartLife Q9C3](https://i.ebayimg.com/thumbs/images/g/T4cAAOSwaqRk4ql6/s-l140.jpg) | Door Window Home SmartLife Q9C3 GBP 10.27 Category : Door & Window Sensors Seller : micgoe(22631, 98.8%) |
![Tuya Smart Home Security Vibration Sensor Real time Door Break In Protection](https://i.ebayimg.com/thumbs/images/g/TXgAAOSwl75mEhE~/s-l140.jpg) | Tuya Smart Home Security Vibration Sensor Real time Door Break In Protection GBP 18.2 Category : Door & Window Sensors Seller : schwarzbaer58(2498, 98.6%) | ![5 x Wireless Door/Window Entry/Burglar Home Security Sensor Alarm, Easy Install](https://i.ebayimg.com/thumbs/images/g/AbAAAOSwq5lTrXlz/s-l140.jpg) | 5 x Wireless Door/Window Entry/Burglar Home Security Sensor Alarm, Easy Install GBP 14.95 Category : Door & Window Sensors Seller : pat-tutorialtown(11987, 97.7%) |
![Yale B-HSA6010 Alarm Accessory Door/Window Contact, White, 15.2 x 8.8 x 3 cm](https://i.ebayimg.com/thumbs/images/g/2GQAAOSwkUZllvKs/s-l140.jpg) | Yale B-HSA6010 Alarm Accessory Door/Window Contact, White, 15.2 x 8.8 x 3 cm GBP 16.0 Category : Door & Window Sensors Seller : ckkeyclearance(15025, 99.5%) | ![Punch free Adhesive Fastener Baby Safety Essential Adjustable Cable Ties](https://i.ebayimg.com/thumbs/images/g/-o0AAOSwcktmcIxR/s-l140.jpg) | Punch free Adhesive Fastener Baby Safety Essential Adjustable Cable Ties GBP 9.85 Category : Door & Window Sensors Seller : speedmad888(823, 98.1%) |
![WINDOW / DOOR GUARD & ENTRY ALARM, EASY INSTALL](https://i.ebayimg.com/thumbs/images/g/8BIAAMXQHPFRhL2-/s-l140.jpg) | WINDOW / DOOR GUARD & ENTRY ALARM, EASY INSTALL GBP 5.95 Category : Door & Window Sensors Seller : cactus-jack-co(52189, 99.1%) | ![Smartwares door And window alarms X4](https://i.ebayimg.com/thumbs/images/g/VSoAAOSwHtBmet5v/s-l140.jpg) | Smartwares door And window alarms X4 GBP 10.0 Category : Door & Window Sensors Seller : jero-682277(15, 100.0%) |
![CQR FC503/G2 Flush Contact x 8](https://i.ebayimg.com/thumbs/images/g/jccAAOSw0dpi-lVK/s-l140.jpg) | CQR FC503/G2 Flush Contact x 8 GBP 20.0 Category : Door & Window Sensors Seller : bootelee(119, 100.0%) | ![Tuya APP Door Sensor USB Powered ZigBee Alarm Detector Door Detectors for Indoor](https://i.ebayimg.com/thumbs/images/g/qTcAAOSwKctmiCJm/s-l140.jpg) | Tuya APP Door Sensor USB Powered ZigBee Alarm Detector Door Detectors for Indoor GBP 11.49 Category : Door & Window Sensors Seller : luckyseller-46(5282, 96.2%) |
![Motion Sensor Alarm Door Chime for Business When Entering Store Entry Alert Welc](https://i.ebayimg.com/thumbs/images/g/br0AAOSwQLxmNsJi/s-l140.jpg) | Motion Sensor Alarm Door Chime for Business When Entering Store Entry Alert Welc GBP 20.0 Category : Door & Window Sensors Seller : fredyoung(22, 96.0%) | ![security marker kit by home protector new pack see photos](https://i.ebayimg.com/thumbs/images/g/ZZ8AAOSw~KhlYEWE/s-l140.jpg) | security marker kit by home protector new pack see photos GBP 4.99 Category : Door & Window Sensors Seller : uniqueworldlyitems(988, 99.1%) |
![Weather Proof Anti Tamper 10 Way Junction box Grade 3 Conduit Box High Quality](https://i.ebayimg.com/thumbs/images/g/VwkAAOSwOYRb0ZEA/s-l140.jpg) | Weather Proof Anti Tamper 10 Way Junction box Grade 3 Conduit Box High Quality GBP 7.95 Category : Door & Window Sensors Seller : activatesenseandsecure(21539, 98.8%) | ![Defender Mini Door Chime & Intruder Deterrent Alarm, 120dBs Siren LR44 Batteries](https://i.ebayimg.com/thumbs/images/g/EHMAAOSwKy9jR-qZ/s-l140.jpg) | Defender Mini Door Chime & Intruder Deterrent Alarm, 120dBs Siren LR44 Batteries GBP 9.25 Category : Door & Window Sensors Seller : janecampbel_4(433, 98.5%) |