1pcs battery required - 9V 6F22 battery powered and easy to install and operate
Operates completely without wires - There is no requirement to connect to the control hub, and the motion sensor is equipped with a base antenna that improves signal strength.
Can't work standalone - Work with KERUI security home alarm system
Motion detector - The motion sensor can detect any movement within the detection range
Send alarm signal - It will send the alarm signal to control host once a alarm be triggered