Powerful Alert, Anywhere Our doorbell boasts a robust 400m range in open areas, ensuring you're always in the loop. Whether in the backyard, upstairs, or even the basement, never miss a visiting guest again. Installs in Seconds Effortlessly mount the wireless doorbell transmitter to your wall using the included screws or adhesive tape. Enjoy a hassle-free setup. All-Weather Performance Dust and water-resistant, our wireless doorbell supports temperatures from -30°C to 70°C. It withstands adverse conditions while maintaining extremely low power consumption for a battery life of 1 to 3 years. Customizable Sound, Flexible Modes Enjoy precise control with 5 volume levels up to 110 dB, perfect for the hearing impaired or anyone needing clear alerts. Easily switch between LED-only or LED + Chime modes and choose from 55 melodies for personalized notifications. Your last settings are saved for seamless convenience. Reliability Meets Excellence Our wireless doorbell set is not only dependable but also backed by a commitment to exceptional customer service, available 24/7 to assist you.