3 передатчик 2 приемника Водонепроницаемый Беспроводной дверной звонок предотвратить сигнала помехи 48 куранты тон 6-уровень громкости

Описание

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Product List

3 doorbell transmitter

2 doorbell receivers
3 double-sided type
3 Screw Set
Without the original packaging

Product parameters

Doorbell model:9819
Volume:4 files(25-80db)
Music:36 pcs
Material:ABS
Receiving distance:280M(open area)
Waterproof level:IP44
Working frequency:315MHZ
Doorbell color:blue
Transmitter power:12V23A alkaline battery(not include)
Receiving voltage:AC 110-220V
Transmitter size:86*86*30mm
Receiver size:80*75*30mm

How to install and use the doorbell

1.open the transmitter cover,stick the double sided tape on the back cover,then press on the wall(or use the screw fix on the wall)
2.put a 12V23A battery(not include)in battery case,recover the back cover.
3.The receiver can be used in the plug socket