VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, 58 Chimes & 5 Adjustable Volume, Doors Ringer Alert for Business, Store, Home, Office When Entering
Wireless Door Sensor Alarm
Easily Identify Alarm Sources
Adjustable Volume
Easy Installation
Versatile Alarm System
Ideal Gift
Door Sensor Voltage: DC12V 23A,Item Model Number: B9,Material: ABS,Product Dimensions: 3.23 x 3.23 x 1.98 in / 82 x 82 x 50.4 mm,Net Weight: 0.33 lbs / 0.15 kg