The scope of application Applied to large area ilumination of ship,mine,dock,building site etc. Products characteristic 1.Equipped focus nut under the light shell,can adjust lighting focus. 2.The lampshade is transparent safe toughened glass,sphere toughened glass reflector,can send the intensity light-beam which is concentrated. 3.Can rotate for 180°,horizontally,andpitching 30°by the lift-hole or controller.