FEATURES: This is the lamp with housing, be difference from a bare bulb. Same brightness and durable lamp wick as the original bulb. Outputting high definition pictures as you are expecting. Compatible Models: For Optoma HD141X HD26 GT1080 GT1080darbee HD29darbee W316 DH1009 H182X S316 X316 X312 W312 DW333 EH200ST S310E BR323 BR326 DH1008 DS340E DS345 DS346 DW345 DX342 DX345 DX346 GT1070X GT1070XE GT1080 EH112E PX3166 S315 W300 W310 X315 Projector. Product benefits: 1.High luminance due to very short arc and high internal pressure 2.Bright light for brilliant light effects 3.Long 4.Lightweight and compact reflector lamps with ECG 5.Optimized burner design allows any burning position 6.Easy relamping 7.Uniform light output throughout the entire Installation: 1. Turn the projector upside down and place it gently on a soft cloth. 2. Use a Phillips screw driver to loosen the 2 lamp unit fixing screws until the screws turn ly and remove the lamp unit cover. 3. Use a Phillips screw driver to loosen the 2 lamp unit fixing screws until the screws turn ly. 4. Hold the handle of the lamp unit and pull out gently from the projector. 5. Replace the lamp unit while making sure that the direction of insertion is correct. Press the top of the lamp unit and make sure the unit is installed securely. 6. Tighten the lamp unit fixing screws securely with a Phillips screwdriver. 7. Attach the lamp unit cover and tighten.