This new replacement front projector lamp DT01411-ER from Diamond Lamps is 100% compatible with your Hitachi and is made with a high quality bulb inside a compatible housing. This lamp is user replaceable but you should refer to your projector’s manual for replacement instructions for this lamp. Diamond Lamps front projector lamps like this one come with a six month warranty and will meet or exceed the original Hitachi lamp specifications because they are manufactured for high performance using top quality Hitachi replacement bulbs and the most up to date safety and engineering control standards. economical solution to high priced OEM lamps. Thousands of resellers, dealers and service companies over the years have trusted Diamond Lamps to provide their customers with quality replacement front projector lamps.