The EX610ST at 3000L incorporates extensive connectivity, powerful 10W stereo speakers & RJ45 control to maintain & monitor the projectors over the network. The environmentally friendly EX610ST has energy saving features including less than 1W standby mode & auto power off saving you both time & money. Long lamp life of 4000hrs combined with our unique Optoma Colour & Imager guarantees ensure hassle-free, long-lasting projection.