Features :  Lens: 3.6/6mm board lens    Water resistance:IP66 Cable built-in bracket  IR LED:36pcs led  Illuminate distance:30m Specification: Model No.   PIR-541B60   PIR-481B60   PIR-421B60   PIR-121B60 Camera Type Color Weatherproof IR Camera Image Sensor 1/3 Inch SONY Hi-Res. CCD 1/3 Inch SONY SuperHAD CCD 1/4 Inch SHARP CCD Effective Pixels PAL:752(H) x582(V) 440K NTSC:768(H) x494(V) 380K PAL:500(H) x 582(V) 290K NTSC:510(H) x 492(V) 250K Sensing Area 4.9mm x 3.7mm 3.6mm x 2.7mm Signal System PAL /NTSC Horizontal Resolution 540 TV Lines 480 TV Lines 420 TV Lines Min. Illumination Color(0.4 Lux), B/W(0 Lux,IR On) Color(0.5 Lux), B/W(0 Lux,IR On) Lens Mount Board Lens 6mm/F2.0 (Option:3.6/6/8/12mm) S/N Ratio More Than 48dB (AGC Off) Electronic Shutter 1/50(1/60) ~ 1/10,000 Sec. White Balance Auto AGC Auto Infrared Luminary 36 pieces IR-LED Infrared Wavelength 850 nm Illuminate Distance More than 30 M Waterproof Criterion IP66 I/O Connector Power : DC Power Jack , Video Output : BNC Video Output Level 1.0 Vp-p (75 Ohms, composite) Supplied Voltage DC12V Voltage Power Consumption IR On: 400mA max., IR Off: Less than 130mA Dimensions 129 x 73.5 x68.5mm Weight Approx. 0.79kg