TMEZON Wireless Doorbell with USB Receiver, 60 Melodies, 5 Volume Levels, Colorful RGB Doorbell for Home, Plug & Play MZ-DC1

【Easy Setup】 These wireless doorbells for home use are pre-paired before shipping. Setup can be completed in under a minute: simply plug the receiver into a USB-A port and attach the transmitter to the wall using the included adhesive or screws. (Adapter not included) 【Long Wireless Range】 The doorbell's range extends over 1000 feet (300 m) in open space. Ideal for large houses, apartments, offices, and classrooms. You'll never miss a chime! 【Multiple Optional Chimes and Mute Modes】 The TMEZON wireless doorbell receiver features 60 chimes and 5 adjustable volume levels to suit your needs for different occasions. The LED flashing lights are suitable for the elderly and hearing impaired. The indoor chime remembers your last chime and volume setting after the doorbell is closed. You don't need to reset previous settings, saving you time. 【Weatherproof and Energy-Efficient】 The battery-operated wireless doorbell is made of high-quality ABS material and boasts excellent fire and flame resistance. It operates in temperatures ranging from -4°F to 140°F. It features IP55 dustproof and waterproof protection. The receiver uses an optimized circuit design. The transmitter consumes no power unless pressed. 【Wireless Doorbell】 Doorbell sets include: 1 wireless doorbell transmitter and 1 doorbell receiver, Sticker, and CR2023 battery included.