high quality color waterproof plumbing CCD camera cameras head diameter=20mm sony1.4 color CCD 3.7mm lens, 420TV line waterproof design&scratch-resistance steel case low illumination 6pcs IR camera bore hoe inspection, pipe inspection, tank inspection Specification: MODELCR-006F Image Sensor1/4 COLOR CCDSYSTEMPAL/NTSCMODELSONYPIXELNTSC:512*492PAL:500*582VIEWING ANGLE(°)90°(OPTIONAL)LENS DIMENSION3.7MM(OPTIONAL)MINIMAL ILLUMINATION0. 5LUXVIDEO OUTPUT1.0VP-P 75ΩPOWER SUPPLYDC 12V±10%POWER CONSUMPTION≤2.5WHORIZONTAL RESOLUTION420 TV LINESWORKING TEMPERATURE()-10--+50STORAGE TEMPERATURE()20 +60S/N RATIO48dB LENTH OF CAMERA60CM FULL LENTH 1.2MG.W.(KG)0.58KGN.W.(KG)0.37KG