Cross Cursor Night Vision Instrument Infrared SearchTelescope Aiming Night Vision. Night Vision Switch Switch Button. OL Display:1.54 inches. Battery Continuous Ues Time:1.5-4 hours continuously. Support while charging and use. Video Synchronization Delay:Less than 0.01 seconds. Black Visual Distance:Effective distance 320yd. Adjustment Method:Objective lens adjustment. The effective distance of all black night vision is 200 meters, and the viewing distance is 500 meters. The cross cursor can be adjusted horizontally and vertically, and can be used when loading, but the memory card is not supported. Battery life is 4-5 hours, no infrared, about 1.5 hours with infrared. This article does not have storage functionality and cannot install a memory card. The cross cursor can be adjusted horizontally and vertically, but it will restart after closing. 1 x Night Vision. 1 x Red laser scope. 2 x Allen wrenches. 3 x Button cells.