Product DescriptionSecurity CCD Camera (CW-641)Zoom and focus fuction Feature: Zoom and focus fuction Waterproof and weather resistant housing for outdoor use excellent night vision Zoom lens: 3.5mm-8mm, with IR. 66 IR LEDs, valid distance: 50m Multiple brackets available optional 1/3" SONY 420-Lines Color CCD /1/3" SONY 520-Lines Color CCD /1/3" SHARP Color CCD For example: 1 / 3"COLOR CCD SENSOR SPECIFICATIONS Image Device: SONY 1/3 CCD TV System: PAL/NTSC Effective Pixels: PAL: 500(H)*582(V)NTSC: 510(H)*492(V) Sensing Area: 5.59mm(H)*4.68mm(V) Resolution: 420TV lines/520TV lines Minimum Illumination: 0Lux/F1.2(LED ON) Video Output: Composite Signal (1.0Vp-p, 75Ω) AGC: ON S/N Ratio: Better than 48dB