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  • Description

    Description

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


    Feature

    • 52 available tones
    • 5 adjustable volume levels (including mute)

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

    • Dazzling and colorful indicator light


    Self  power  generation

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

    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.

    KR-M518_02

    Colorful light flashing with tones

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

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

    wireless doorbell volume adjust

    52 available tones

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

    KR-M518_06

    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 large house including villas, apartment, offices, shops, warehouses, etc. 

    KR-M518_10

    Easy installation

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

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

    KR-M518_08KR-M518_19

    Emergency call function

    There are two methods to learn bell button, one for doorbell function,the other is for emergency call function.
    you can selected a certain tone as emergency calling tone.It is very useful for old people and Pregnant women .

    KR-M518_14

    Multiple Choice

    KR-M518_16KR-M518_17

     

    Product-Detail

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

    Standby currents: < 3mA (220V AC)

    Working currents: <11mA (220V AC)

    Frequency: 433MHz

    ​Receiving distance: 100m(open area)

    KR-M518_20KR-M518_21

KERUI M518 self generation wireless home smart remote control battery-free doorbell

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