General description No wiring is required for this self-powered wireless doorbell, making it an ideal choice for easy installation. It features a deeply waterproof design, ensuring durability in various weather conditions. With a transmission distance of up to 150 meters in open outdoor areas, it is perfect for homes with larger yards or distances from the door to the receiver. Technical specifications Plug Type: US Plug Voltage: AC 110V Color: White Material: ABS Transmission Distance: 150 meters Measurement Allowed Error: +/- 1-3 cm Compatibility and accessories Compatible with various regions including Canada, India, Mexico, Thailand, and the Philippines. Package Contents: 1 set of self-generating wireless doorbell.