【Strong Signal, Anywhere】Our doorbell offers a powerful range of 300 meters in open areas, ensuring you are always in touch. Whether you are in the garden, upstairs, or even in the basement, never miss a visitor again. 【Install in Seconds】Easily mount the wireless doorbell transmitter on your wall using either the provided screws or adhesive tape. Enjoy hassle-free installation in less than a minute. 【All-Weather Performance】Our radio doorbell is dust and water resistant, supporting temperatures from -30°C to 70°C. It withstands harsh conditions while boasting extremely low power consumption for a long-lasting battery life of 1-3 years. 【Personalized Sound, Flexible Modes】Enjoy precise control with 5 volume levels up to 110dB, perfect for the hearing impaired or elderly. Easily switch between LED-only or LED + ringtone modes and select from 55 melodies for personalized alerts. Your last settings are saved for uninterrupted convenience.