the bottom on hand wheels enabling lens focal and focus adjustment
Specification:
Model No.
ST-IR809H
ST-IR809
CCD of pick up
1/3 inch Sony Color CCD
1/4 inch Sony Color CCD
TV Systems
NTSC/PAL
Horizontal Resolution
480TVL
420 TVL
Mini Illumination
0 Lux (IR LED ON)
Sync System
Internal Synchronization
AGC
Auto
BLC
Auto
Built lens
3.5-8mm Varifocal Lens
IR Vision
30-35Meter
25-30Meter
S/N ratio
More than 52dB
Electronic Shutter
1/50~1/12,000 sec
Gamma Correction
0.45
Video out
Composite output 1.0V p-p at 75 ohm
Power Supply
DC12V±1V
Working Temp
-10℃ To 50℃
IR LED
42PCS