New Generation A+ Lampwick Inside Bare Bulb Make it More illustrious and Clear Enough with The Same Original Functioning. Projector lamp bulb with same functioning as your original one. Perfectly match and compatible for your Projector. You will find it is quite easy to install it into your Projector as the ways you are taking out your old lamp. Be aware of the connector make sure it connected well. Optimized Burner Design Allows any Burn-in Position, Moreover, They Show a Very Stable Light Output, as The High Luminance Decreases Only Slightly Over The Entire Lifetime(between 2500 and 4500 h). WARRANTY AND RETURN: New replaced lamp will be shipped to you when your bulb was out of work naturally in 180 days.