【Strong Signal, Everywhere】Our doorbell offers a powerful range of 300 meters in open areas, ensuring you are always updated. 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 with either the included screws or tape. Enjoy hassle-free installation in less than a minute. 【Weatherproof Performance】Our radio doorbell is dust and water resistant and can withstand temperatures from -30°C to 70°C. It can withstand harsh conditions while having extremely low power consumption for a long-lasting battery life of 1 to 3 years. 【Custom 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 choose from 55 melodies for personalized alerts. Your last settings are saved for uninterrupted convenience.