Strong Signal Everywhere: Our doorbell offers a powerful 400-meter range in open areas, ensuring you're always connected. Whether you're in the garden, upstairs, or even in the basement, never miss a visitor again. Install in Seconds: Easily mount the wireless doorbell transmitter to your wall using either the included screws or the adhesive tape. Enjoy a hassle-free setup in under a minute. All-Weather Performance: Our wireless doorbell is dustproof and waterproof, withstanding temperatures from -30°C to 70°C. It endures harsh conditions while maintaining ultra-low power consumption for a long battery life of 1 to 3 years. Personalized Sound, Flexible Modes: Enjoy precise control with 5 volume levels up to 110 dB, perfect for the hearing impaired or elderly. Easily switch between LED-only or LED + chime modes and choose from 55 melodies for personalized alerts. Your last settings are saved for uninterrupted convenience. DOORBELL