commax interphone supplier, commax DP-2LD near me, Interphone Installer near me, Commax Interphone installation, DP-2LD malaysia
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Function:
- Battery operated(6V) or DC 9~12V Adaptor
- 2 Wires Non Polarised
- Door Lock Release
- Talk with a visitor
Specification:
- Power source AA size 1.
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