1.laser ptz camera 2.night distance 200m 3.outdoor laser ptz camera 4.samsung 23x optical ... module 5.680TVL, usd787 Robustsecu R-900V7 Intelligent laser IR high speed dome camera (samsung 368x zoom ... for see short distance, add 1pc φ10 laser illuminator for long distance, in completely dark environment ... distance of 200m, very low noise, have no flashlight phenomenon, the best effect in the industry.7" ...