Specifications:   
Projection distance:1.5m ~ 6m  
Projection magnification:30 x (at 5m)  
Projection size:330mm(W) x270mm(H) (at 5m)  
Chart :30 different pattern  
Speed of chart conversion:One chart per 0.03s  
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 idle time.  
Power source:AC 220V ,50Hz or 110V, 60Hz  
Power consumption:80W  
Dimensions:300mm(L) x 230mm(W) x 240mm(H)  
Net weight:6Kg  
Accessories:Remote control, Polarized metal screen, halogen lamp, polarized glasses, fuses(2), batteries(2)  
Optional accessories:Floor stand, wall stand