Large Wireless Range: Door Motion Alarm is triggered by the PIR sensor via monitoring movement, it has 110° wide angle Infrared which can cover 16-26 ft range, support 500 ft operating range ...

It is not only an alarm, but also a door magnet sensor and care caller. EASY TO INSTALL AND EASY TO OPERATE: Portable motion detector alarm has two power supply options (AAA battery or USB ...

Home security systems can be complicated. We explain all you need to know to make an informed purchase, including how they work and what features to look for.

which detect if a door or window is opened. While Ring features several differently sized Alarm Security Kits, even the smallest, the 5-piece, comes equipped with a motion detector. These motion ...