General description The CCYKXA Wireless Doorbell is a versatile and practical solution for your home, office, or classroom. With 55 different ringtones and 5 adjustable volume levels, including a mute option, it caters to various preferences and needs. This doorbell is not only functional but also features a flashing blue LED light for visual indication, making it suitable for the hearing impaired. Its wireless design allows for easy placement, and it is built to withstand harsh weather conditions. Technical specifications Wireless connection technology (radio) IP55 waterproof rating Operating temperature range: -30°C to 70°C (-22°F to 158°F) Maximum distance between receiver and transmitter: 300 meters Transmitter battery: 12V/23A (included) Installation Plug the receiver into a wall outlet. Install the transmitter outdoors using the included double-sided tape. No wiring or screws required for installation. Usage Ideal for homes, apartments, classrooms, and offices. Can be used as a