الوصف

Desk type, dual light, light source adjustable *2V/*0W superior performance and highly spotlight cold light type halogen lamp cup, high shiny efficiency; meanwhile, minimize the roast level to the fiber tube. Adjustable light hole: ***8mm **0mm thermostability self-lock fiber tube Built-in radiating fan, which makes the instrument can work long time Assembling imported superior quality, prism type scale spectroscope, slit adjustable, foc al distance adjustable built-in digital scale: range from **0 to **0nm Special lamp device that make the lamps’ replacement be safer and much more convenient