battery-powered, press with your finger to generate electricity, the transmitter has a built-in kinetic energy generation module, and pressing the doorbell converts mechanical energy into electrical energy to generate a wireless signal
Rain and dustproof function, upgraded vertical rainproof structure, wind and rain will not affect use
One thing with two purposes is not only a doorbell, but can also be used as a pager, pager for the elderly, pager for pregnant women, and pager to protect your family when you sleep soundly at night
Long-distance transmission has strong penetration, long-distance transmission 150 meters 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 ensure the long life of the product

Receiver size: 78 x 54 x 20mm
Transmitter size: 66x40x20mm
Color: as shown
Material: ABS
Plug Type: EU Plug, applies to Indonesia, Germany, France, Spain, Italy, etc.
Voltage: AC220V

Package Contents:
1 x transmitter
2 x receivers

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.