There are many different Security camera in the market, but the CCD Module is same, only the the size, different chip has different image for the module, usually it's have SONY ,Sharp and so on, now there are type of the china chip camera board in the market , the low cost the good image, many customer like it very must.

The highest Pixel is Effio chip CCD Module , we make this chip for 480/600/700TVL ,and the CCD Module size is 38X38mm and 32X32mm for customer option, the CCD Module 

single Module,0.01LUX  size:38X38mm ,Day/night,IR Filter ,OSD Menu ,2D down noise ,DC12V,80mA.with Audio option.

The CCD Module with WDR function is RJ Series and NVP Series, and the RJ11 have Profession WDR Function,and RJ10 have Digital  WDR function all have 1/3 Sony CCD,650TVL,single board,0.0003LUX  size:38X38mm ,Day/night,IR Filter ,OSD Menu ,3D down noise ,senor,DC12V,85mA. With audio option 

The last is NVP Series CCD Camera Module ,it's have 600/480TVL ,and the size have 38x38/32X32/28x28mm 1/3 Sony CCD,600TVL,single board,0.01LUX  size:32X32mm or 38X38mm ,Day/night,IR Filter ,OSD Menu ,2D down noise ,sensor up ,digital WDR,DC12V,85mA. Audio or OSD Menu option

the rest is sony 3172 and 3142 Series Aslo we have launch to China 3142 DSP Series have very best price  

If you have interest for it ,please contact us any time