Compare HD12 with HSD621PRH  (2)

Chip Inch Size
1/4
1/4
Colour Type
Colour / Monochrome
Colour / Monochrome
Resolution TVL
480
540
Dome Type
Continuous Rotation
--
Sensitivity lux
0.01
--
Indoor/Outdoor
Outdoor
--
Voltage
19.2 ~ 28.4 VAC
24 V AC
Focal length
3.5 ~ 91
--
Back Light Compensation
Auto Gain Control
--
White Balance
--
Electronic Shutter range
1/2 ~ 30,000
--
Synchronisation
Internal / Line Lock
--
Signal Mode
PAL, NTSC
--
S/ N (Signal/ Noise) Ratio dB
--
>50

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