General description This Wireless Doorbell is designed for outdoor use with an IP44 waterproof rating, ensuring durability against dust and rain. 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. Technical specifications Transmission range: 280 meters (unobstructed) Ringtones: 36 different melodies Volume: 5 adjustable levels (0 dB to 85 dB) Power supply (receiver): AC 110-240V 50/60 Hz Power supply (transmitter): 1 x 12V 23A battery (included) Waterproof rating (transmitter): IP44 Installation The installation process is straightforward: Plug the receiver into any electrical outlet. Attach the transmitter to the door using the provided screws or adhesive tape. Usage This doorbell is suitable for various applications, including: Home decoration Official buildings Hotels Factories Commercial activities Emergency contact for the elderly, pregnant women, and patients