Christmas Door Bells for Homes Classroom Office Wireless Doorbell Melodies Waterproof Door Chimes Loud Sound Doorbell Great for Blind Elderly People

Self-generating Christmas Doorbell Home Battery- Wireless Doorbell Through Wall Elderly Pager With 38 Ringtones
　
Feature:
Color: 1111MicrosoftInternetExplorer402DocumentNotSpecified7.8 磅Normal0 Black
Material: ABS Type: wireless doorbell
Power source: battery
Power Voltage:110~230(V)
Power consumption:0.25(W)
Ringtones:38
Scope of application: home, villa
Doorbell size:4x4x5.6 cm/1.57x1.57x2.2 in
Receiver size: 5.4x4.5x7.8 cm/2.12x1.77x3.07 in
Description:
150 metre wireless range: With a reliable wireless range of 150 metres for one-to-one pairing, the Plug-In Door Chime has a strong signal penetration to ensure that you don't have visitors, even if you're several rooms away or on another floor.
Also a pager.: press the transmitter when you are alone and in need, and the bell will ring!
38 melodious ring tones: The receiver doorbell has 38 tunes and multiple volume adjustment meters
Easy to install: The doorbell is easy to install, just plug the plug-in doorbell receiver into the socket and then fix the outdoor remote doorbell transmitter to the wall with the supplied accessories.
Memory function: The last set melody and volume can be remembered when the power is off
Package Included:
1 x Doorbell
1 x Ding Dong Machine
1 x Instruction manual