Wireless Doorbell, Waterproof Doorbell Electronic Chime Kit with 2 Plug-in Receivers, 150M Range, 45 Melodies at 4 Volume Levels for Home, Office, Hotel [No Need

General Description The wireless doorbell is a practical and modern device designed to provide an effective notification solution at your door. Thanks to its unique PUSH-RF technology, it operates without batteries, converting kinetic energy into an electrical signal. With 45 different melodies and adjustable volume, it adapts to all your needs, while also being waterproof and weatherproof. Technical Specifications Wireless range: 150 m / 500 ft Adjustable volume: 4 levels from 0 dB to 110 dB Protection rating: IP44 (waterproof and dustproof) Operating temperature: -20 ℃ to 65 ℃ Installation Stick the doorbell next to your door with the included double-sided adhesive tape or mount it to the wall with screws. Plug the receiver into a power outlet. Operation Press the button on the transmitter to activate the wireless doorbell. Choose from 45 melodies to personalize your notification. Silent mode allows you to receive notifications without disturbing sleeping people.