IIC-TS38NH-A Specifications: Image Sensor :1/3" Sony Super HAD CCD Picture Elements :PAL: 537(H) x 597(V), NTSC: 537(H) x 505(V) Resolution :More than 420 TVL Minimum Illumination :0.5 Lux Color / 0 Lux B/W Frequency :PAL: 50 Hz(V) / 15625 Hz(H), NTSC: 60Hz(V) / 15734Hz(H) Electronic Shutter :1/60 - 1/100000 Sec Scanning System :2:1 interlace Sync System :Internal S/N Ratio :More than 50dB White Balance ;Auto B.L.C. Function ;Auto Gain Control :0-18 dB Gamma :0.45 Lens :3.5~8.0mm varifocal lens Video out :1.0VP-P(75 Ω BNC) Power Supply :DC12V (±20%) / 250mA Operation Temperature :-20°C~50°C Dimension :Φ65mm x 180mm(L) Weight :700g IIC-TS38NH-B Specifications: Image Sensor :1/3" Sony Super HAD CCD Picture Elements :PAL: 537(H) x 597(V), NTSC: 537(H) x 505(V) Resolution :More than 420 TVL Minimum Illumination :0.5 Lux Color / 0 Lux B/W Frequency :PAL: 50 Hz(V) / 15625 Hz(H), NTSC: 60Hz(V) / 15734Hz(H) Electronic Shutter :1/60 - 1/100000 Sec Scanning System :2:1 interlace Sync System :Internal S/N Ratio :More than 50dB White Balance :Auto B.L.C. Function :Auto Gain Control :0-18 dB Gamma :0.45 Lens :3.5~8.0mm varifocal lens Video out :1.0VP-P(75 Ω BNC) Power Supply :DC12V (±20%) / 250mA Operation Temperature :-20°C~50°C Dimension :Φ84mm x 154mm(L) Weight :700g