YueQing TIANHONG electron co.,LTD.

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1. battery operated wireless doorbell D28

Easy to install. Portable carrying
Long range remote controlling. Transmites up to 100 meters(open air)
64 selectable channels prevent outside interference
Transmitter is powered by 12V battery. The receiver is powered by 3*1.5V C batteries.
Two ...

2. PLUG IN wireless doorbell A78

Easy to install. Portable carrying
Transmitts up to 80 meters(open air)
Frequency 433.92MHZ+(-)150KHZ
Power:1*12V 23A Battery for transmitter,120V/220VAC(10%) for receiver.
Two sound for choice:ding-dong and westminster
The plug of receiver ...

3. wireless door bell

Easy to install. Portable carrying
Long range remote controlling. Transmites up to 100 meters(open air)
Transmitter is powered by 12V battery. The receiver is powered by 2*1.5V AA batteries.
Frequency:433.92MHZ
Nice ding-dong sound

4. battery operated wireless doorbell D78

Model No. TH-D78
16 melodies for choice
receiver powered by batteries or adapter
easy to install. portable carrying.
100 meters working range
CE, R&TTE, RoHS approval

5. wireless door chime