Many projector manufacturers do not manufacture projector lamps themselves. Over 97% of all projector lamps are manufactured by Philips, Ushio and Osram These manufacturers commission the production of projector lamps to Philips, Ushio and Osram We source and sell projector lamps from these manufacturers. The projector lamp comes with a full manufacturer warranty. Please note that the product images may be used for illustrative purposes and may differ from the actual product. The Hitachi DT01481 replacement lamp sold by MPLAMPS.CO.JP is a Hitachi Projector Replacement Lamp with Genuine Bulb **that is compatible with the following projector model numbers: : CP-EW301N, CP-EX251N, CP-WX3030WN, CP-WX3041WN, CP-WX3530WN, CP-WX3541WN, CP-WX4041WN, CP-X2541WN, CP-X3041WN, CP-X4030WN, CP-X4041WN The Hitachi DT01481 compatible replacement lamp unit sold by MPLAMPS.CO.JP comes with a full manufacturer warranty. **Genuine bulb refers to the original manufacturer part of the bulb such as Philips, Ushio, Osram, Phoenix, and is an authentic replacement part for each projector manufacturer. When representing a projector lamp and bulb bulbs, it refers to the genuine replacement part made by these manufacturers.