General description The CACAZI Wireless Doorbell features 60 chimes and 5 buttons, designed for easy installation and use. It is waterproof and dustproof, making it suitable for various weather conditions. The doorbell includes a memory function that automatically identifies sound modes and frequencies, ensuring reliable performance. Technical specifications Transmitter dimensions: 75 x 51 x 20 mm Receiver dimensions: 95 x 65 x 24 mm Receiver voltage: 110-220-240V Receiving distance: 300 meters in open space Volume levels: 5 levels (can be muted), ranging from 0-110 dB Music tracks: 60 different melodies available Transmitter power: 23A12V alkaline batteries (not included) Installation To install, plug the receiver into an electrical outlet. For pairing, press and hold the volume button on the receiver for about 5 seconds until the indicator light turns on, then press the button on the transmitter. Usage To edit and lock music, press and hold the volume buttons on the receiver before