The above picture just for your referrence, optioanal Sharp CCD MODEL:TWD-D001 Pickup device: 1/4"SONY Super HAD Number of pixels:PAL:500(H)?82(V) NTSC:510(H)?92(V) System of signal: PAL/NTSC Horizontal resolution:420TV Lines Minium illumination:0.5Lux/F1.2 Lens :3.6mm/6mm/8mm/12mm (Selectable) Backlight compensation :Built-in AGC :Auto Electronic shutter :1/50(1/60)~1/100,000sec White balance :Auto S/N ratio: 48dB Gamma correction: 0.45 Operation temperature: -20 ~50 Sync.system: Internal Video output: 1.0Vp-p/75 Power supply: DC12V