Very cost efficient, ultra-portable projectors for various applications! Great presentation partners for schools and medium sized companies Auto keystone correction of +-30° brings pictures always into the right shape, if the projector has to project up or down in a certain angle to the wall, without any manual adjustment Almost noiseless at 28 db—highly recommended for classrooms, small meeting rooms and home cinema Includes manual wall color correction and OFF timer that shuts down projector automatically to save power 2-year limited parts and labor warranty