Description

Chart 39 selections
Projection distance 3.- 6.m(5m is standard) Extent 30times at( 5m)
Tilt angle Ball joint(10 degree)
Raster no raster; single-line; uniseriate；Single-word
Lamp 6V20W(Halogen),2.000 hrs lifetime
speed of image changing 2 second or ≤2 second