TTB-7041/TTB-7042 Overhead Projectors
--285??285mm
--36v400w halogen lamp
--Average illumination 2200 Lumens
--Central illumination 4300 Lumens
--Lens: TTB-7041 focal length 290mm, 1-element
TTB-7042 focal length 310mm, 3-element
--Beautiful and elegant streamline appearance
--All inflammation resistant plastic material, safe and environmental
--Passed CE, S approval --High brightness, sharp images
--Desktop manipulating key, convenient for use