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

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 EnteringWireless Door Sensor AlarmEasily Identify Alarm SourcesAdjustable VolumeEasy InstallationVersatile Alarm SystemIdeal GiftDoor 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