Built-in battery, support mobile appliance Support 1080P video, PPT, PDF ... ,Text,PPT,PDFPower Consumption18~25W(Adaptor:19V/2.1A, Battery:11.1V/2000mAh)Dimension180(L) x 110(W) x ... 28(H)mmVolume(cc)550Weight(g)520g(including battery)LED Life>20000 hoursOptional Accessory / FunctionTV, Universal NB Plug ... browsing Display 0.45" DMD+RGBLED/HD Mini handly battery powered 1080P Projector (520g (including ...