Used in schools, homes and businesses across the USA, Genie Lamps are manufactured to the same specifications as the projector manufacturers lamp to give the highest image quality with tremendous relaibility. This brand new lamp is engineered to ISO9001 standards and is supplied with a 90 day, no quibble warranty for peace of mind. A Genie Lamp is a very popular and affordable low cost alternative to the original lamp whilst providing 100% compatibility with the following NOBO projector model S28. Matching Part Number(s) SP.8EH01GC01.