ZCtron Motion Sensor Doorbell,Wireless PIR Motion Sensor Detector Security Alarm Chime,Visitor Bell for Business Shop Store Office Home Front Door Entry

✅【Melodies & Volume Adjustable】The receiver is a doorbell design with 36 ringtones and 5 welcomes doorbell sound for personal preferences. 4 levels volume adjustable(Loud/ High/ Middle/ Low ) from 113~25dB. Color light/ Lighting mode is silent

✅【Sensitive & Wide Wireless Range】Motion sensor alarms with wide wireless range can communicate with other devices over a larger distance. The motion sensor catches movement from a broad scope of space, with working long-range transmission of

✅【Wide Applications】Motion Alarms have a wide range of applications in various industries and settings and are essential in a home security system. It can detect movement in the surrounding areas - door entrance, gallery, gate, walking paths,

✅【Easy Installtion】The device can be charged by micro USB or installed with batteries（infrared sensor needs three AAA batteries and receiver need three AA batteries) to make it work. Both the door motion sensor alarm and the receiver have a