sectelli Newest 1600ft Range Self-Powered Wireless Doorbell With Socket and 2 USB Ports,Plug-Through Cordless Door Chime,No Battery Needed,Waterproof Push Button,60 Chimes, 5-Level Volume,LED Light

?Doorbell Chime Kit with Socket and 2 USB Charger: The sophisticated design solves the problem of ordinary doorbells occupying sockets. This wireless doorbell comes with an extended socket,it can be used to charge other household appliances. Also this doorbell has 2 USB Ports, So it is not only a doorbell, but also a socket and USB charger.
?Self-Powered No Battery needed Doorbell Kit: Both the transmitter (push button) and receiver (speaker) do not require batteries. There is no need to worry about the wireless doorbell cannot work when the battery runs out When the button is pressed, the coil cuts off the magnetic field line to generate current, which in turn supplies power to the transmitter and sends out a wireless signal. This is an innovative design that is environmentally friendly and durable
?1600 FT Working Distance:Wireless doorbell for home with extra long range never misses a visitor, suitable for apartment, villa, house, office, and classroom.the receiver can stably receive signals even if it is installed on several rooms away or on even on another floor. Please dont install this doorbell on metal objects (such as metal doors or windows), it can interfere with wireless signals and shorten the working distance between the transmitter and receiver.