General description This Wireless Doorbell is designed for outdoor use with an IP44 waterproof rating, ensuring durability against dust, rain, and high temperatures. It features a long-range signal that operates effectively within 300 meters in open spaces, allowing you to place the receiver anywhere in your home without interference. The doorbell includes two transmitters and one receiver, offering 36 different melodies and five adjustable volume levels from 0 dB to 85 dB. Technical specifications Transmission range: 280 meters (unobstructed) Ringtones: 36 different ringtones Volume: 5 adjustable levels (0 dB ~ 85 dB) Power supply (receiver): AC 110-240V 50/60 Hz Power supply (transmitter): 1 x 12V 23A battery (included) Waterproof (transmitter): IP44 Maximum power consumption: 2W Standby power consumption: 0.5W Installation The installation of the doorbell is straightforward: Plug the receiver into any electrical outlet. Attach the transmitter to the front door using the provided