thecharacteristics of machine lamps: (1)The machine lampsadopts the new illuminant source and high luminance efficiency halogen bulb,(2)suitable for follow and position working of various CNC machine tools,testing equipment and special function machines.(3)With the features of waterproof,dampproof and corrosion-resisting.technical informationof machine lamps:TYPEVOLTAGE(V)POWER(W)JL50B-12450JL50B-22450JL50B-32450JL40A-12440JL40A-22440JL40A-32440JL50C-12450JL50C-22450JL50C-32450TYPEVOLTAGE(V)POWER(W)FIX TYPEJL50D-12450Screw11050Magnet22050JL50D-22450Screw22050JL50D-1A2450Magnet22050JL25E-12425screw/magnetJL25E-22425screw22036 the above is the main machine lamps type :(i think it's better for you to get the further information that i send you our specimen for yr reference.if you agree with me ,pls leave me the message, then i will contact you in time !thanks for your time ,violet