L40A-1Suitable for follow and position working of various CNC machine tools, testing equipment and special function machines. With the features of waterproof, dampproof and corrosion-resisting.                                                              JL40A-3Suitable for lingting of all kinds of medium and small machine tools, CNC machine tools and testing equipments. With the features of the base can rotate 350 lighting any angle is available, high efficiency in collecting luminance, waterproof and corrosion-resisting.