The doorbell button is powered by an electromagnetic transducer, does not require any battery
Learning function - The number of cooperated doorbell buttons (transmitters) can be increased as required
"Index of Protection":
...
IP44 - Doorbell button
IP20 - Wireless doorbell
Operation temp:
...
-40 °C ... 65 °C
Weight:
0.01 kg / 1 pcs
0.05 kg - Doorbell button
0.07 kg - Wireless doorbell
Dimensions:
...
50 x 82 x 22 mm - Doorbell button
81 x 81 x 72 mm - Wireless doorbell
Manufacturer / Brand:
Elektro-Plast Nasielsk
ORNO
Guarantee:
2 years
2 years
Net:
0.00
EUR
Gross:
0.00
EUR
Weight:
0.00
kg
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