Power: 3.8KW/220V Working size: 650*650mm Outsize: 900X1350X1650 Functions: This Double exposure machine has Vacuum stress system to get high precision; Electric shutter operated conveniently and quickly; Temperature cool system made it possible to continue working a long times. It can be used in the screen-printing and the metal etching industry; It's can used for single or double exposure works. If you have any exposure technique questions about this double sided exposure machine, PLS contact us.