This item is being listed on behalf of someone else. Purchase date unknown. I do not have detailed knowledge of its functions and cannot answer questions about them. It has been stored for a long time, so there are scratches on the back of the main unit, and the outer box is damaged. There is also a storage odor. Batteries were inserted, but the operation has not been confirmed. * Batteries will be removed before shipping. Instruction manual: Included, English phottix nikos self timer interval timer long-exposure timer number of frames