MSD technology, the updated optical system maximizes light output Change the light source within a few seconds and adjust to the best light source output position Smaller and more compact design High-intensity reflector lamp cup Applicable models: for BenQ W1070 W1070 + W1080 W1080ST HT1085ST HT1075 W1300 and many other models Product name: Projector bulb Power: 240W Bulb: Lifespan is about 4000-5000 hours Colour:Greamy white Material:Glass+ABS Size:55 x 55MM Package Contents: 1 x projector lamp bulb Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.