General description This wireless doorbell offers a convenient solution for your home or business with no battery required. It features 60 different ringtones and 5 adjustable volume levels, ensuring you can customize it to your preference. The robust design includes an IP65 waterproof button, making it suitable for outdoor use in various weather conditions. Technical specifications 60 ringtones 5 volume levels (0 dB to 110 dB) Wireless range: up to 150 meters in open field Operating temperature: -12°C to 60°C Waterproof rating: IP65 Installation Plug the mini receiver into a power outlet Attach the transmitter to a wall using double-sided tape Remove the insulating film from the battery before attaching the transmitter Usage The doorbell is designed to notify you immediately when someone is at your door, even if you are in another room, on a different floor, or outside. The flashing indicator lights are particularly helpful for the hearing impaired, ensuring that you never miss a