Built-in speakers are Plug-and-Play ready, only the power cord and video source connection are needed to prepare the viewing experience. 2 HDMI inputs for video and gaming sources The SmartEco Mode, which cleverly adjusts the lamp power to maximize power saving by delivering the best contrast and brightness performance using only as much light as needed. The automatic switch to Eco Blank Mode after the projector is turned on for over three minutes without a display source, eliminating unnecessary energy waste and prolonging the life of the projector lamp. The W1070 is ISF Certified for customization to any room, offering calibration for optimized color performance in both Day and Night modes that can adapt to any room's layout, size and ambient light levels. Warranty : 180days or 500 hours