300m/1000ft Wireless Doorbell Range: This wireless doorbell boasts a 300-meter range and a maximum volume of 85dB. It comes with 2 transmitters paired to 2 receivers. Individual pairing ensures each button has its own unique chime, so you always know who's at the door. 36 Melodies & 4 Volume Levels: High-quality speakers and a stable music chip deliver 36 clear and crisp melodies. Four adjustable volume levels (25dB to 85dB) ensure you'll hear the chime throughout your home. A memory function saves your preferred sound and chime selections. Waterproof & Smart LED Design: Constructed from high-quality, weatherproof materials (IP44 rating), this doorbell is built for outdoor use. A blue LED light on both the button and receiver provides visual indication for both hosts and visitors, and is a thoughtful feature for the hearing impaired. The light confirms button activation. Easy Installation: No wiring required! Simply plug the receiver into an outlet and mount the button using the included double-sided tape or screws. A drilling template is included if you prefer to screw the button into place. User-Friendly Design: The wireless doorbell is simple to use. Two receivers can be placed anywhere, ensuring you never miss a visitor. Features: Internal Sounds: 36 chimes Volume: 4 adjustable levels (25dB~85dB) Wireless Range: 300M/1000ft max Transmitter Power: 1 x 12V 23A battery (included) Input Voltage: AC110-240V 50/60HZ Waterproof (transmitter): IP44 Package Contents: 2 x Transmitters, 2 x Receivers, 2 x Tapes, 4 x Screws, 1 x Screwdriver