Miroir HD Projector MP150A (Certified Refurbished) This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com Texas Instrument's DLP IntelliBright Technology, 1280 by 720 (720p) native resolution Auto vertical keystone adjustment +/- 40 degrees Built in li-polymer battery for approximately two hours of projecting time Two built-in 1-watt speakers; audio out jack (3.5mm)