General description Our 300m Long Range Wireless Doorbell is designed for reliable communication, ensuring you never miss a visitor. With a range of 300 meters in open areas, it is perfect for use in gardens, upstairs, or basements. The doorbell features a waterproof and dustproof design, making it suitable for all weather conditions. Technical specifications Range: 300 meters Operating temperature: -30°C to 70°C Volume levels: 5 levels up to 110 dB Melodies: 55 customizable alert melodies Battery life: 1 to 3 years Installation Easily mount the wireless doorbell transmitter to the wall using the included screws or adhesive tape. Installation can be completed in less than a minute. Usage Enjoy precise control with adjustable volume levels and the option to switch between LED-only and LED + ringtone modes. Your last settings are saved for seamless convenience.