M1 cables (also known as EVC or P&D cables) work with projectors and other devices with the universal M1 connector. M1 can carry both digital and analog signals as well as USB. Many projectors on the market utilize this technology to provide the flexibility of connecting to either VGA or DVI inputs.This product is designed for the following systems:Ask Proxima: C110, C160, C170, C180, C410, C420, C440, C450, C460, M1, M2+;Dell: 3300MP, 4100MP;Hitachi: CP-X1250W;Infocus: LP120, LP540, LP600, LP640, LP70+, LP815, LP820, LP840, LP850, LP860, X2, LP70, 5000, 4805, 7210, 7205, 5700, 777;Toshiba: TLP-X4500U;Viewsonic: 1172.For a complete compatibility list please refer to the original manufacturer's web site.