3 Sensor photoelectric detector. Brand new, old stock. Dispatched within 1 day.
eBay
2Pcs Door Buffers Block Alarm Baby Safe Floor Gate Door Stoppers Wedge Shaped Stainless Steel Rubber Punch-free Home Door Stops
Aliexpress UK
230 feet far enough to cover every door and window in your house. Each wireless doorbell receiver can pair up to 20 magnetic door alarm sensors and each sensor can add unlimited receivers. One transmitter can pair with several(max 30) receivers, and one receiver can pair with several(max 30) transmitters.
eBay
IP55 Automated Gate Safe Infrared Beam Sensor Photocell For Garage Door Opener фотоэлемент для ворот Detector Anti-theft Alarm
Aliexpress UK
Note: Door magnetic induction can only provide a switch signal to the device, which can not directly load the power, nor directly connect the lamp!.
eBay
DC12V To 265VAC Flashing Alarm Lamp Light Blinker Strobe For Automatic Swing Siding Garage Gate Opener(No Sound)
Aliexpress UK
[Weatherproof Design]Engineered to withstand harsh weather,wireless driveway alarm is dustproof and waterproof. Type: Driveway Alarm. [Convenient Wireless Operation]The receiver is directly plugged into the socket or connected to the USB interface, the setting buttons can be used normally, and the transmitter can use 3 AAAbatteries(not included).
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The maximum warning distance is up to 100m. Light source: Digital pulse infrared. 2PCS 60x43mm IBC Tank Spout Outlet Tap Fitting water oil fuel Pour Diesel Nozzle. Front Left Headlight Level Sensor 7P0616213 95834107500 High Sensitivity Ride.
eBay
Cordless: You do not need to set the wire when installing, the door alarm is not easy to make trouble for you. Installation: This kind of door bell can be installed on the wall firmly, not easy to fall off.
eBay
1) 17-chord music chip and 40mm loud speaker for pleasant and louder alerts Remote transmission range up to 280m/ 918ft in open space. 2) 4 independent LEDs to distinguish sensing zones, with the option to synchronize sound alerts 3) 5 stages adjustable volume from 113 ~ 25dB. 4) Infrared + microwave radar composite dual detection for lower false alarm rates 5)Added silent and vibration reminder.More privacy,no disturbance ,vibration reminder for discreet alerts 6)Expandable.The receiver can learn from up to 32 wireless sensors like PIR motion, magnetic or vibration sensor as well as up to 8 remote controllers. 7) Low battery indication. Both the sensor and receiver can be powered by battery or plugged into a USB interface. 8) IP66 Waterproof ideal for outdoor use.
eBay
Transmit Freqency: 433MHz. This rolling door sensor can not work alone. It works with most alarm system in the market. Check if your alarm system support 433mhz. 1X Wireless Rolling Door Sensor(included 1 12V 23A battery).
eBay