1,Laser Night Vision Systerm, 2,day/night surveillance, 3mainly used for long distance night surveillance, up to 2000 meters Glopro Laser Night Vision System GLN-810408--Laser Night Vision Systerm Specification:Surveillance range during nighttime is 100 to 200 meters, up to 400 meters.Name of EquipmentDescriptionLaser Light SourceLaser Power:4W;Illumination Angle1°-22°, remote electric control ...