It is a great solution even you have a long driveway or large property to monitor. The system adopts advanced wireless transmission technology(FSK+FHSS) to avoid the wireless singal interference from other wireless devices.
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Lampenwelt UK
DW9 Wireless Driveway Alarm & PIR Motion Sensor. Why Choose the DW9 Wireless Driveway Alarm?. Wireless PIR sensor operates on 2 AA batteries (not included) lasting up to one. Each zone lights up with a different colored LED indicator (RED, GREEN, BLUE, PURPLE) to easily identify motion triggers.
eBay
Lampenwelt UK
LONG RANGE: Our driveway alarm easily detects motion within 30 feet, making it a valuable asset for enhanced safety. You can conveniently place it up to 800m away from the receiver, providing unrivaled flexibility.
eBay
Lampenwelt UK
Large working area up to 650ft(no obstacles) to full cover your propoty and security. ✔️【Upgraded Motion Detector, 3 Gears Adjustable Sensitivity】open the back cover of the motion detector, Install 4 AA batteries and turn main power switch on, cover it and connect the detector and rorateable base, install in any place you needs to use.
eBay
Lampenwelt UK
Use it to monitor any area inside or outside, it's wireless so you can place it anywhere in the house or even take it from room to room. Wireless Plug-in Receiver: The portable wireless plug-in receiver plugs into any standard outlet.
eBay
Lampenwelt UK
Choose PHYSEN Wireless Driveway Sensor Alarm to built your better smart house/garden/driveway/yard Usage: It can also be used as Nursing Reminder for your Kids, elderly parents etc. -Easy to install, The motion sensor works on 4 AA Battery(NOT Included) with 360 angel adjustable base and mounts in anywhere you need by screws, the receiver plugs in a standard wall outlet.
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Lampenwelt UK
This unit contains a series of LEDs and a beep alert to let you know when the outside PIR transmitters detect motion so you’ll be prepared for that unexpected knock at the door or car in your driveway.
eBay
Lampenwelt UK
Advance Warning: Driveway alarm is perfect for long or driveway that allow you to warn in advance when guests (or intruders) approach. Easy Installation: This solar driveway alarm does not have complex wires or installation trouble, and the sensor can be hung on the wall.
eBay
Lampenwelt UK