General description The Black Wireless Doorbell features a sleek design and comes with two buttons, making it a convenient addition to any home. It offers a smart LED indicator and a variety of ringtones to choose from. Technical specifications Color: Black Receiver voltage: AC110-240V Ringtone: 38 polyphonic ringtones Optional remote control range: 300 meters Transmitter power: 12V 23A alkaline battery (not included) Installation To pair the signals, press and hold the volume button on the receiver for about 5 seconds (the indicator light will turn on). Release the volume button and immediately press the button on the transmitter to complete the pairing process. Usage This wireless doorbell is designed for easy use, allowing you to customize your doorbell experience with various ringtones and a reliable range for the transmitter. Other information Package Content: 2x Outdoor Transmitter, 1x Indoor Receiver