CallToU Door Chime Motion Sensor Wireless Door Chime Motion Detect Alarm Sensor with 500FT Range 55 Chimes 5 Volume Level LED Indicators Door Chime Color:CC22-PIR 1-1 which can easy to track

which can easy to track the movement

the sound alarm can work for about 120 days

This door chime is perfect for keeping track of your home’s entry points and alerting you to any unexpected visitors

It can detect the movement within its range

home security doorbell requires no reconfiguration even after a power outage

CallToU Door Chime Motion Sensor Wireless Door Chime Motion Detect Alarm Sensor with 500FT Range 55 Chimes 5 Volume Level LED Indicators Door Chime Color:CC22-PIR 1-1 which can easy to trackProduct Description LED Screen & 55 Music with Mute to Loud dB5 adjustable levels(0 110 dB) and Motion sensor door chime offers 55 chimes from the traditional"Ding Dong" to various well know chimes,set different doorbell chimes for different area to know which area you have a visitor come in through the LED screen number, which can effectively offer additional assistance to the hearing impaired. Mini Contact Sensor Motion sensor detection doorbell