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
All the same, good morning. The fence has a fence up to 7 m other block at maisternya 20 m. Pratzew without pitan. Multiple melodies, ріznyi rivnyi guchtovye. Delivery to ukrposhtu 4 types.
Problems at customs from China never flew out, but sold sociable
good
Everything works without batteries. I am very pleased with this. Let's see how many buttons are enough.
good store and fast delivery
The box was worn out a little. And so everything works
все работает, звук хороший, кнопка немного туговата. на счет влагозащиты сомнения
Good product, can receive the signal from long distance
On the wicket do not need any wires! Super call.
The goods will fully respond to the description of the comments no
parfait