Compatible models: For Viewsonic PJD5555W PJD5155 PJD5255 PJD5153 PJD5353LS PJD6350 PJD5151 PJD5553LWS PJD6550LW PJD6551LWS Projector | The simultaneous pursuit of high brightness, long life and good compatibility in the quality of projection bulbs is a common problem, but our engineers have solved these problems through long-term data collection and testing. With A new generation of A+ wicks, and is equipped with matrix light control, the brightness is 90% higher than that of ordinary wicks | The optimized burner design allows aging at any position, fully extending the life of the bulb, and the brightness will be slightly reduced after 4000 hours, which is longer than other products on the market and the output is longer and more stable | This product is a complete lamp module with a housing, which can be easily replaced after the projector is turned off. The installation is completed within 5 minutes without the need for professional operators | Ctbaier is a professional manufacturer and supplier of projection light sources. It has many years of industry experience. Each wick will undergo rigorous performance testing before leaving the factory. It is responsible for product description and 220-day warranty, and provides excellent 30-day unsatisfactory replacement and on any condition within 12 hours feedback, so you can use it safely and safely