Home Security Mini Alert Alarm

The Mini Alert Alarm uses passive infrared technology to protect a room from intruders. The MINI ALERT ALARM uses passive infrared technology to protect a room from intruders. Producing an infrared triangle, the Mini Alert creates an unseen barrier that’s impossible to penetrate without setting off the alarm! Battery operated; the Mini Alert needs no wiring and can be easily moved to a new location. Chime 95db Alarm 120 db. Mounting bracket included. Requires 3 "AA" batteries.