V BESTLIFE Wireless Home Security Alarm, PIR Infrared Motion Sensor Password Keypad Remote Detectors

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 Installation Requirement: 1. Please pay attention to the angle and height of the detector horizontal plane during installation, which has a great influence on the protection zone. 2. During installation, please keep away from the hot and cold sources to avoid direct door. 3. The detection area can not have obstacles. 4. The angle between motion sensor alarm the wall should be10 to 30 degrees. At this point, the detection distance is farthest.  Instructions: 1. The standby time is 20 seconds after power on and the motion sensor alarm will not detect signal within the 20 seconds. 2. 20 seconds later, if a person enters the detection area, the motion sensor alarm will have a delay of 5 seconds. This will facilitate the identification of the owner. After 5 seconds, if no correct password is received, there will be a alarm sound of 30 seconds. The alarm volume is 105 DB. 3. During alarm, you can enter the correct password to end the alarm. Package List: 1 x Wireless Motion Sensor Alarm Note: 1. It is recommended that you regularly check the motion sensor alarm to make sure the work is normal, to avoid missing alarm. 2. When the power-on indicator is dark at startup, the alarm sound becomes smaller, and the false alarm rate of the infrared alarm is high, the battery voltage is generally insufficient, and the battery should be replaced in time.