Wireless Motion Sensor Ding Dong Garden Home Office Workplace Door Window Alert Alarm Bell

Doorbell Type: Wireless Ding Dong Doorbell; Motion Sensor; 32 Melody Options; Range: Maximum 100 meters (in open space); Strobe feature suitable for those with hearing difficulties; Power: 1 x 12V 23A battery; Easy installation; Low energy consumption; Color: White; Material: ABS Plastic; Usage: In homes, buildings, offices, cafes, ships, etc.