Professional solutions is an 170W replacement that provides the best picture quality, brightness, and lifespan. with premium housing,minimize installation time to make sure your device is back in action quick! Compatible with the following projector Models: EMP-S5,EMP-S52,EMP-S6,EMP-X5,EMP-X52,EB-S6,EB-S62,EB-S6LU,EB-TW420,EB-W6,EB-X6,EB-X62,EB-X6LU,EB-TW420,EMP-260,EMP-77C,EMP-X6,EX21,EX30,EX50,EX70,H283A,H283B,H283C,H284A,H284B,H284C,H285C Powerlite 77cPowerlite 78Powerlite HC 700, Powerlite S