2 in 1 Built-in Outlet - Keep your outlet free! This wireless doorbell plugs in without blocking your socket, so you can connect other devices hassle-free—all while getting instant alerts. 60 Chimes, 5 Volume Levels & Memory Function - The doorbell chime offers 60 beautiful chimes to choose from, catering to your preferences. Simply press the volume button of doorbell chime kits to select 5 adjustable volume levels ranging from 0 to 120 dB for any situation. The memory function retains your chosen melody and volume settings when you power on the wireless door bell. Bright RGB Light Indicator - The wireless door bell plug in receiver features a bright RGB light that makes bells highly visible, making this wireless doorbell ideal for the hearing impaired. Besides serving as a door chime & bell, this device also functions as a pager for the elderly and pregnant women, suitable for different scene. Self-powered Wireless Doorbell - With every press of the push button, the doorbell generates its own electricity to send a strong, reliable signal to the receiver. No more worrying about dead batteries or inconvenient replacements - saving you time, money, and hassle of battery maintenance. IP66 Waterproof & Dustproof - The doorbell is waterproof up to IP66 and robust enough to withstand extreme environments. It can withstand temperatures from -4°F to 140°F, including sunny, rainy, and snowy. 1000ft Cordless Range - The door bell ringer wireless boasts a working range of up to 1000ft in open spaces without disrupting other nearby cordless devices. A robust and stable radio signal ensures you'll never miss a visitor. Easy to Install & Lifetime Support: Just plug the doorbell receiver into a socket and fix the push button on a wall with the accessories provided. If you are not satisfied with our product or service, please feel free to contact us. Each TECKNET product comes with a lifetime support (registration required). Transform your home with this innovative wireless doorbell system featuring dual USB ports for enhanced functionality. The self-powered design eliminates the need for batteries, providing reliable performance day after day. With its wireless capability, installation is a breeze - no complex wiring required. The doorbell offers clear, crisp sound that can be heard throughout your home. The inclusion of 2 USB ports adds versatility, allowing you to charge devices or power additional accessories. Perfect for homes, apartments, or offices, this doorbell combines modern technology with practical convenience. The sleek design complements any decor while maintaining its primary function as a dependable alert system. Simple to set up and ready to use right out of the box, this doorbell brings modern convenience to your doorstep.