The above picture just for your referrence, optioanal Sharp CCD MODEL: TWD-M002 Pickup device:1/4"SONY Super HAD CCD Number of pixels :PAL:500(H)?82(V) NTSC:510(H)?92(V) System of signal: NTSC/PAL Horizontal resolution :420TV Lines Minium illumination: 0.5Lux/F1.2 Lens: Pin-Hole:3.7mm/F2.0 Backlight compensation: Auto Electronic shutter: Auto White balance: Auto S/N ratio: ＞ 48dB Gamma correction: ＞ 0.45 Operation temperature :-20 ℃ ~50 ℃ Sync.system :Internal Video output: ≤ 1.0Vp-p/75 Ω Power supply: DC12V