The NEC NP16LP-UM is made from ORIGINAL** parts and is intended as a replacement for use in NEC brand projectors and is a replacement lamp for the alternative projector models M300W, M300XS, M311W, M350X, M350XG, M361X, ME310X, ME310XG, ME-360X, NP-M300W, NP-M300WJL, NP-M300X-G, NP-M300XG, NP-M311W, NP311WJL, NP-M350X, NPM350XJL, NP-361XJL, P350X, UM280W, UM280X. It has an average operating time of 4000 hours and includes a 230 Watt AC lamp made by PHILIPS, USHIO or OSRAM.