Tangxi Wireless Motion Sensor Alarm 105dB DC 4.5V Motion Detector for Home Security System Alarm,Infrared Password Alarm

Description: When the PIR sensor detects human movement the alarm will sound alerting you to a potential attack on your home or an intruder. The motion sensor alarm protects your valuables without the need of fussy wiring or power cables. And the PIR detection range of up to 5 meters. Specifications: Detection range: Distance of 3-5 meters, angle of 105 degrees Working voltage: DC 4.5V Alarm sound level: 105dB (decibel) PIR detection range: 5 meters Power: 3 x AA battery (not included) Color: White Size: 136 * 105 * 27mm / 5.3 * 4.1 * 1.1inch Material: Plastic Package weight: 160g Package List: 1 x Wireless Motion Sensor Alarm