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

Rainproof and dustproof function, improved design of vertical structure rainproof, wind and rain do not affect 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 30 m long-distance transmission in a room.

Innovative research and development of -energy collection generators, 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.