4" color video door phone

Quantity Order:

Origin:

China

Payment Method:

L/C

Input Valtage DC 12V, + / - 10% ( Power supplied from the monotor)
Connection Wire 4 wire ( polarity)
Image Device 1/ 3� black& White C.C.D Camera 1/ 4� color C.C.D Camera
Scanning Frequency Horizontal Range: 15.735KHz
60Hz( for EIA, NTSC)
Vertical Range: 15.625KHz/ 50Hz( CCIR, PAL)
Communication System Synchronization
Angular Field Of View Lens Horizontal: 68 Vertical: 55
Up level: 12.5 Down Level: 12.5
Ambient Temperature 0 degree -+ 40 degree ( 32 F-104F)
Weight( g) 500
Dimentions( mm) ( W/ H/ D) 124/ 186/ 50
Enterprice Quanlity System Certification
Management Certification: ISO 9000/ 9001/ 9004/ 9011: 2000 ISO 14000/ 14001, CE and other relevent certificates
Contract Manufacturing: OEM Service Offered Design Service offered Buyer Label offered
Brief introduction of CX ( 4 wire) system
In NSK CX system , video audio and DC power go through different wires, totally 4 wires including Groud, mainly for villa and small apartment system ( up to 24 apartments
Feature:
1 All units can be either B/ W or color display
2 All monitor and camera can be interchangeable
3 In Villa system, with a switch it is possible to have two cameras , front and back;
4 Second monitor can be extended from the first monitor in a apartment.
5An audio interphone can be extended from a monitor
6 Image recorder can be extended from 3 monitors;
7 Extension panel( s) cn abe extended from multi outdoor camera panel

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