... ~, 50Hz/60Hz DC9V ,4.5A, lithium battery 1450mAH,7.4VTechnology :LCD 2"Screw Hole:General specifications of projectorTrapezoid Correction:Auto /Vertical ... ,DV,DC,PS2/X-box/Wii), smart mobile phone, DVD Player.Digital Set Top Box and so on. At the same ... you have any questions,please feel free to contact me. LCD 2'' Portable mini projector for Home theater