150W cold light halogen lamp,the higher luminous efficiency,

1.Adjustable high efficiency light sources, card circuit.
2.Two600mm fireresistant optical tube.
3.Built-in radiator fan ,so you can work long time.
4.Unique lamp hanger,convenient to replace bulbs
5.According to customer,we can equiped the fixed and soft tube
6.Ideal illumination for the gem testing