security equipment

security equipmentir camera 1.1/4' Sharp CCD, 420 TVL 2. ir waterproof camera 3.24 pcs IR leds, 20 m IR distance 4. two years warranty Features MODELHSD-821/4SPickup device1/4' Sharp CCDNumber of pixelsPAL:500(H)×582(V)NTSC:510(H) ×492(V)System of signalNTSC/PALHorizontal resolution420TV LineMinium illumination0Lux/F1.2Backlight compensationAutoWhite balanceAutoElectronic shutter1/50(1/60) 1/100,000secLensStandard Lens :3.6mm/6mm/8mm/12mm(Optional)S/N ratio>48dBGamma correction>0.45Operation Temperature-20°C 50°CSync.systemInternalVideo output1.0vp-p/75ΩPower supplyDC12V±5%Wavelength850nmLEDS(pcs)24(φ5)IR viwe distance20mWaterproof RateIP65