Ebay offers NEBULA Mars 3 Air GTV Projector 1080P Dolby Netflix Officially Licensed |Refurb for $311.99 (reg. $599.99) after code with free shipping. 

Apply Code: HAPPY30TH 

Product Description: 
400 ANSI-Lumen Brightness, Native 1080P, Dolby Digital Sound,150-Inch Picture, Built-In Battery for 2.5 Hours of Playtime Anywhere