The description of different chips are as follows:
HQ6009:
Resolution: 520TVL
Pixels:
PAL: 752 x 582
NTSC: 768 x 494
Current: 450mA
STH6009:
Image sensor: 1/3-inch Sony
Resolution: 480TVL
Pixels:
PAL: 752 x 582
NTSC: 768 x 494
Current: 450mA
STL6009:
Image sensor: 1/3-inch Sony
Resolution: 420TVL
Pixels:
PAL: 500 x 582
NTSC: 510 x 492
Current: 400mA
AGC: on/off
Gamma characteristic: above 0.45
White balance: automatic
Backlight compensation: on/off
S/N ratio: greater than 48dB
Power supply: 12V DC
Disclaimer: All brands and trademarks shown here are only for references. We are not authorized to sell any products bearing such trademarks and brands.