[Wireless Doorbell with Touch Button]-The touch doorbell button is a design for the doorbell. With the function of dustproof and waterproof, with higher sensitivity and lower energy consumption..[36 Melodies, Light doorbell]-- Wireless doorbells for home has 36 Melodies and 4 levels of volume range (mute-low-middle-high ). The built-in big LED indicator additional assistance for the hearing impaired..[Long Operating Range Up to 1200 Feet] -- Wireless doorbells the strong wireless signal is up to 1200 feet in open area, will not interfere with other equipment in your home or those of your neighbors..[Easy to Install Doorbell Chime]-- Easily plug receiver into an electrical outlet and fix transmitter (pull out the insulating sheet inside) to the doorframe. Please do not install too close to the metal or the machine like television, WiFi equipment, computer, etc..[Installation and Warranty]- The door bell ringer wireless can be set up in seconds. We control the quality of our products strictly before delivery. If there is a malfunction, please us as soon as possible to get a solution.