1.Wattage: 80W, 125W, 175W, 250W, 400W, 1000W
2.Envelope: BT shape, ED shape, E shape.
3.Lamp life: 8000-10000h
4.Colour temperature: 4200K

1.Wattage: 160w, 250W, 500W, 1000W
2.Lamp life: 5000-8000h
3.Colour temperature: 4200K
4.Without additional ballast, can be used as a substitute for incandescent bulb.

1.Wattage: ( ballasted needed) 80W, 125W, 400W, ( self-ballasted) 100W, 160W.
2.The inner-wall of envelope adopts refle-layer, and designed with lighting-focusing.
3.Be fit for projector....

1.Wattage: 160W, 250W, 400W for ballast nedded, 125W, 250W, 500W for self-ballasted.
2.The glass bulb adopts UV-transmitting glass.
3.Be fit for fluorescent flaw detection and ballroom....