1. Detection range: 3-5 meters distance, angle of 105 degrees
2. Operating voltage: 4.5
3. Alarm sound level: 105dB (decibels)
4. Description:
1> It has a built-in PIR motion sensor, if it detects any movement, it will activate an alarm
2> No wire connection, you can simply install the battery
3> When the infrared sensor detects human movement will sound an alarm
5> Requires 3 AA batteries (not supplied)