Ebay offers Infrared Driveway Wireless Motion Outdoor Alarm Sensor Alert Detector Security for $12.99 (reg. $19.99) with free shipping.
Whenthe PIR (Passive Infrared) Sensor detects moving heat from car enginesor human beings, the transmitter will activate and send a wirelesssignal to the Receiver. The Receiver plays a configurable alarmingsound. A powerful120-decibel alarm sounds as soon as motion is detected within a 20-footrange. Unique security code between chime and sensor - avoidsinterference with neighbour's chimes. Blue LED Light, volume adjustment(upto 3 levels) and including 36 Melodies to choose from. Easy to install andrequires no wiring. Receiver can easily be plugged into an electricaloutlet (no batteries required). Operating range of over 300 feet(between sensor and main chime unit). Can be used as a simple alert unit instead of investing in costly security systems! Detecting and alerting whensomeone approaches afront door! Alerting when a customer walks through the front door of astore or office! Alerting when a car approaches a driveway, and manymore!
Category: Tools & Home Improvement
Posted on 10 August 2016, 10:19 AM