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| Tube: | 4 inch flat tube ( COLOR ) CCIR or EIR
| TV system: | 15.75Khz (H) 60Hz(V)
| Resolution: | 420 Line
| Call Signal Sound: | Chime Sound (Ding-Dong, Bell)
| Telephone System: | 4 Wire
| Auto Iris: | Internal ALC System
| Power Supply: | AC230V/50HZ or 120V/60HZ
| Wiring Distance: | 50 M
| CCD: | 1/3 CCIR or CMOS
| Lens: | f13.8MM F1.8 92
| Output Signal: | Composite Video 75 Ohm 1Vpp
| Min illumi: | 0.1 Lux
| Power Source: | AC 110~220V DC12V/300mA(adapter)
| Remark: | 210(W)*210(H)*47(D)mm |
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