Battery Operated Doorbell This battery-powered wireless doorbell operates on 3 AAA batteries (included), freeing your outlets for other devices. Its receiver can be easily mounted on walls or placed on a desk, providing flexibility for wherever you need it — whether in the backyard, basement, garage, or bedroom. Wireless Doorbell with Touch Button Featuring an innovative touch button, this doorbell is designed for ease of use. With IP44 dustproof rating, it offers higher sensitivity and lower energy consumption. You can install the push button both indoors and outdoors, ensuring durability in various environments. Flashing Light Doorbell This wireless doorbell offers 36 melodies and four volume levels (mute, low, medium, high) to suit your preference. The large built-in LED indicator provides an additional alert for the hearing impaired, ensuring no one misses a visitor. Long Operating Range Up to 1000ft Enjoy a strong wireless signal that works up to 1000 feet in open areas. It is designed to avoid interference with other household devices and neighboring signals, making it reliable for your home. Easy to Install Doorbell Installation is straightforward: simply insert 3 AAA batteries into the receivers and fix the transmitter (remember to remove the insulating sheet inside) to your door frame. For optimal functionality, avoid placing it near metal objects or devices like televisions, Wi-Fi routers, or computers. Use Scenarios: - Perfect for homes with multiple entry points, allowing you to hear guests both inside and outside. - Ideal for those with hearing difficulties due to its adjustable volume and flashing light feature. - Convenient for use in home offices or workshops where you may not hear a traditional doorbell.