I was hesitant to purchase this replacement bulb for my Hitachi projector, but after using it for a few days, I can confidently say that it has exceeded my expectations. Thanks to my knowledge gained in practice with computers, installation WAS a breeze. The brightness and clarity of my projector have greatly improved with this bulb .The only downside is that it is a bit pricey compared to other replacement bulbs on the market. Overall, I highly recommend this accessory for anyone with a HitachiSee full review