For extension of the doorbell of RAVE series: OR-DB-YR-127 Learning system (automatic configuration) Hermetic button.
| General information: |
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| Possibility of extension by an additional transmitters: | No |
| Nominal voltage: | 1 x 23A |
| Receiver: |
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| Optical indication: | No |
| Transmitter: |
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| Dimensions of the transmitter - height: | 39 mm |
| Dimensions of the transmitter - depth: | 20 mm |
| Degree of protection (IP): | IP44 |
| Power supply of the transmitter: | 1 x CR2032 |
| Type of power supply of the transmitter: | battery |
| Batery included: | No |
| Dimensions of the transmitter - width: | 85 mm |
