【Strong Signal, Anywhere】Our doorbell offers a strong range of 400 meters in open areas, ensuring you'll always stay in touch. Whether in the garden, outside, upstairs, or even in the basement: never miss a visitor again. 【Installation in Seconds】Simply attach the wireless doorbell transmitter to your wall using the included screws or adhesive tape. Enjoy hassle-free installation in less than a minute. 【All-Weather Performance】Our wireless doorbell is wear-resistant, dust- and water-resistant, and temperature-resistant from -30°C to 70°C. It withstands harsh conditions while benefiting from extremely low power consumption for a sustainable battery life of 1 to 10 minutes. 3 years. 【Personalized Sound, Flexible Modes】Enjoy precise control with 5 volume levels up to 100%. 110 dB, perfect for the hearing impaired or elderly. Easily switch between "LED only" or "LED + Buzzer" modes and choose from 55 melodies for personalized notifications. Your last settings are saved for your