No battery needed, press with your finger to generate electricity, the transmitter has a built-in kinetic generation module, and pressing the doorbell converts the mechanical energy into electrical energy to generate a wireless signal



Rain and dustproof function, improved design of vertical structure rainproof, wind and rain will not affect the use



One thing with two purposes is not only a doorbell, but can also be used as a pager, a pager for the elderly, a pager for pregnant women, and a baby pager to protect your family when you sleep soundly at night



Long-distance transmission has strong penetrating power, 150 meters long-distance transmission in an open area, and 30m long-distance transmission in a room.



Innovative research and development of energy harvesting groups, after 200,000 continuous press tests to a long service life of the product







Receiver size:78x54x20mm



Transmitter size:66x40x20mm



Color: As shown



Material:ABS



Plug Type:EU Plug, it applies to Indonesia, Germany, , , Italy and so on



Voltage: AC220V







Package Contents:



2 x transmitter



1 x receiver







Only the above package content, other products are not included.



Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.