Waterproof Wireless Doorbell: Battery & DC Powered with 3 Transmitters & 3 Receivers, Plug-Free for Home Use

This innovative doorbell system offers a versatile and convenient solution for any household. It features a waterproof design, ensuring reliability in all weather conditions. The package includes three transmitters and three receivers, providing extensive coverage throughout your home. With both battery and DC power options, it grants flexibility for installation in various locations. Its plug-free operation allows for seamless setup without the need for complicated wiring, making it a user-friendly choice for enhancing your home's entrance communication. Power supply mode: DC Ring: 36 songs to choose from, 4 volume levels adjustable Scope of application: Straight line distance on open ground: 300 meters (factory test data) Manufacture country: China Instructions included: No