... IP module 4.array IR LED Laser ptz Camera 5.200m night vision RATINGSECU R-900V7-27 Intelligent IR High Speed Laser ptz ... the close distance, laser see long distance, in completely dark environment without any light, effective night vision distance is 150~200m, the ... aluminum alloy housing, the cover rotate follow the camera,the IR light will not be hided by the cover Internal English ...