Kinetic Energy Generation : Harness kinetic energy to power this innovative doorbell, eliminating the need for regular battery replacements. Long Range & Strong Signal : Experience a wireless range up to 200 meters, with signals that easily pass through walls and doors, ensuring you hear every ring. Adjustable Volume & Melodies : Customize your doorbell's sound with 38 changeable songs and an adjustable volume setting to suit your environment. Easy Installation & No Wiring : Quick setup with a wireless link between the transmitter and receiver means no messy wires and a hassle-free installation. Weatherproof & Waterproof : Designed to withstand the elements, this doorbell is suitable for outdoor use in all weather conditions. Introducing a wireless doorbell powered by kinetic energy, offering a sustainable alternative to traditional battery-operated models. With a wireless range of up to 200 meters and strong signal penetration, you'll be alerted to visitors from across your property. Enjoy the versatility of choosing from multiple melodies and adjusting the volume to your preference. The easy installation process and lack of wiring make it a convenient choice. And with a weatherproof design, it's built to endure various weather conditions, ensuring reliable performance year-round.