Inter phone supplier near me, Interphone system installation
Function:
- Talk with a visitor
- Door release
- 2 wires with non-polarity
- Power supply for doorlock release(12V)
Specification:
- Power source AC 110/220/230/240V, 50/60Hz
- Mount type Surface-mounted type
- Wiring Call: 2 wires Door Release: 2
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