sell video door phone for apartment(6-button)

Description

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• *-button Outdoor Without Card reader; 
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• Two-wire system, easy in installation and maintain; 
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• Save costs in labors and wires; 
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• No branch, adaptor or amplifier required;
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• New designing with high class aluminum alloy panel; 
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• Background light button with name plate;
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• Camera sensor:1/4’’CCD or 1/3’’ CMOS; 
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• Night vision sources: IR LED or White Led; 
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• Night vision distance: Two meters; 
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• Lock: Electronic mechanic locks; 
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• Dimension:**3.6×*6×*0mm.
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