Parameter: Projection distance:1.5~6.0m Projection magnification:30x(at 5m) Projection size:330mm(W)x270mm(H)(at 5m) Chart:30 different pattern Speed of chart conversion:one chart per 0.01s~0.02s Mask:1 open,5 horizontal lines,8 vertical lines,21 single letters, 1 red/green Speed of mask conversion:one mask per 0.03s Program:2 sets programs,each program contains up to 30 steps Light source:12V,50W halogen lamp Auto-off function:After 10 minutes idie time Power supply: AC 100V~120V/60Hz or AC 200V~240V/ 50Hz Power consumption:80W Dimentsions(packing):450mm(L)x450mm(W)x385mm(H) Weight(packing):10kgs Accessories:remote control,polarized metal screen,halogen lamp, polarized glasses,fuses(2),batteries(2) Optional accessories:floor stand,wall stand