KERUI M518 Wireless Doorbell Self Power Generation 52 Songs Smart Home Security Welcome Chimes Door Bell LED Light With Button

KERUI M518 self-generation doorbell wireless home smart electronic remote control long-distance no battery cordless doorbell

Self-power generation wireless doorbell, integration with 52 songs, adopts advanced wireless transceiver technology and high-quality voice processing technology. The wireless doorbell can be applied to an apartment, villa, shop, hotel, home, office building, meeting room etc.

1. 52 available tones

2. 5 adjustable volume levels (including mute)

3. Memory function (when the doorbell receiver power on, the tone stays the same with the one being set last time)

4.Dazzling and colourful indicator light

Self-power generation

No need battery, press button and Kinetic energy turn into electrical energy.

The ordinary doorbell was average changed a battery once a month. Every year need 12 batteries, one battery costs 1 dollar. You can save lots of money and batteries every year.

Colourful light flashing with tones

Doorbell Receiver flashing along with playing tones, easy to remind people someone is coming.

light is about 0.3W, only 1-3 kWh a year

52 available tones

52 tones for your option, you can select regularly, and don’t feel bored. Avoid the same ring with the neighbours.

5 adjustable volume level

After a busy working day and want a relax sleeping time, you can adjust it to mute.​while the maximum volume can up to 100dB.

Long-distance transmission

Long operating range can be up to 330ft(100m) in open space,

great for the large house including villas, apartment, offices, shops, warehouses, etc.

Easy installation

Just plug the receiver into a power socket and attach the transmitter on the door,

you don’t even necessarily have to make holes or damage anything.

Emergency call function

There are two methods to learn bell button, one for doorbell function, the other is for emergency call function. you can select a certain tone as an emergency calling tone.It is handy for older people and pregnant women.

Multiple Choice

Power supply: AC 100~240V 50-60Hz

Standby currents: < 3mA (220V AC)

Working currents: <11mA (220V AC)

Frequency: 433MHz

​Receiving distance: 100m(open area)

EU/UK/US Kit :

1 X receiver doorbell

1 X transmitter doorbell button

1 X user manual

1 X Double-sided adhesive

Two Receiver Kit:

2 X receiver doorbell

1 X transmitter doorbell button

1 X user manual

1 X Double-sided adhesive

Two Transmitter Kit:

1 X receiver doorbell

2 X transmitter doorbell button

1 X user manual

2 X Double-sided adhesive