The Optoma BL-FP180F is made from ORIGINAL parts and is intended as a replacement for use in Optoma brand projectors and is a replacement lamp for the alternative projector models are DS327, DS329, DS550, DS551, DX327, DX329, DX550, ES550, EX550, EX551, OPX3040, TS551 and TX551. It has an average operating time of 5000 hours and includes 180 Watt P-VIP lamp made by PHILIPS, USHIO or OSRAM.