Genuine, OEM DMD/DLP Chip 1280-6238B 1280-6239B for Acer Optoma Infocus Samsung LG Nec Benq Sanyo Sharp ViewSonic Mitsubishi Toshiba Dell Vivitek Ask Proxima Runco Smart Board Sharp and other projectors.

Any model of this chip is FULLY COMPATIBLE with all other models from the list. As far as we know there is no difference in any parameters.

90 Days Warranty.