main technical:

Writing picture size:280*200mm

Power supply:AC 110V/AC 220V +/-10%,50HZ

Light source:24V,250W

Showing distance:2-3m

Use enviroment:-10℃~+40℃

Average illumination:>600lx(Portrait width 1.5m image)

Homegeneous rate:>36%

Resolving rate:Center,8lines/mm,0.7 field of sight,2 lines/mm

Temperture rise:<20℃