EWO'S 5J.JEE05.001 Projector Bare Lamp Bulb for Benq HT2050 HT3050 HT2150ST HT4050 Lamp Bulb Replacement New Generation A+ Lampwick Inside Bare Bulb Make it More illustrious and Clear Enough with The Same Original Functioning. 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). Compatible Model: Fit for Benq HT2050 HT3050 HT2150ST HT4050 HT2050A W1110 W2000 Projector Lamp Bulb Replacement 180 Days Warranty 2500 Hours Life Testing Before Delivery, Excellent Return Service With No Any Condition Within 12 Hours Feedback.