Wireless doorbell also known as wireless remote doorbell or remote doorbell, wireless doorbell as a new product, I believe that many friends of its wireless doorbell principle, installation are very understanding. Wireless doorbell with its simple and flexible characteristics by people's favor, of course, it is also more suitable for single huxing, in villas, apartments, hotels and offices wireless doorbell has been widely used.
Usually the wireless doorbell consists of two parts: Wireless doorbell outdoor machine, indoor machine. Wireless doorbell has no battery wireless doorbell, ordinary wireless doorbell and visual wireless doorbell, the use of civil wireless technology (Zigbee, WIFI, Bluetooth, 2.4G, etc.) developed a kind of doorbell.