SpecificationModel TOP-S680U TOP-S600U TOP-S420U Camera Image Sensor 1/3" Sony 960H Exview CCD 1/3'' Sony Super HAD CCD Effective Pixels PAL: 976(H)x582(V) NTSC:976(H)x494(V) PAL:752(H)x582(v) NTSC:768(H)x494(v) PAL:500(H)x582(v)NTSC:510(H)x492(v) Horizontal Resolution 700TVL 600TVL 420TVL Electronic Shutter PAL:1/50 ~ 1/100,000sec; NTSC:1/60 ~ 1/100,000sec Synchronization Internal Min. Illumination 0.003 Lux 0.01 Lux 0.1 Lux S/N Ratio >60dB >52dB >48dB Video Output 1Vp-p Composite Output (75Ω/BNC) OSD Control Optional Optional Not Available Lens Focal Length 3.6mm lens General Power Supply DC12V±10% Working Environment -30°C~+60°C / 20%~80%RH Weight 0.5kg
