【Strong Signal, Anywhere】Our doorbell offers a powerful 300-meter range in open areas, ensuring you're always in touch. Whether you're in the backyard, 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 included screws or adhesive tape. Enjoy hassle-free installation in less than a minute. 【All-Weather Performance】Our wireless doorbell is dust and water resistant, withstanding 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 to 3 years. 【Personalized Sound, Flexible Modes】Enjoy precise control with 5 volume levels up to 110 dB, perfect for the hearing impaired or the elderly. Easily switch between LED-only or LED + ring modes and select from 55 melodies for personalized alerts. Your last settings are saved for uninterrupted convenience.