Wireless visitor/Customer ding-dong door chime Entry Alert/Entrance Alarm with motion sensor
Product:This product used advanced manufacturing technology. It has body sensing, high performance, energy-saving functions. It is without inadvertently touching or interference. And monitoring of human movement with in. It is very convenient for office, home, shop, factory and other places, With the Double-sided adhesive sticker, you can stick the door bell anywhere you want, or you can use the screws to fast the door bell on the wall, wood board, aluminum board etc.
Feather:Color: White100% Brand NewVolume is adjustable.Alarm Sound: 75-95 decibels16 kinds of melody musicBattery: 3 AAA / 1.5V batteries (batteries are not included)Effective Alarming Detecting Distance: Approx. 2-8 metersDC 9V (can connect with a DC adapter wall charger directly, charger not include)Power Switch: 10 seconds delay
Effective Angle:Left and right: 110 degreeUp and down: 45 degree
Package include:
1x door chime