VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, Remote Control with App, Doors Ringer Alert for Business, Store, Home, Office (6 Sensors + 1 Receiver)

VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, Remote Control with App, Doors Ringer Alert for Business, Store, Home, Office (6 Sensors + 1 Receiver)Smart Door Sensor AlarmSmart ControlFour Security ModesNo Monthly FeesEssential AccessoryIdeal GiftDoor Sensor Voltage: DC12V 23A,Item Model Number: T9-TY,Material: ABS,Product Dimensions: 3.23 x 3.23 x 1.98 in / 82 x 82 x 50.4 mm,Net Weight: 0.70 lbs / 0.32 kg