... (25%, 50%, 75%, 100%) by the button on the side.7.8 display actions:hold, snow, move from left, move from ... format9.support time display (88:88:88)10.work time: more than 12 hours11.special: support multi-language on one text ... bar, company receiption, meeting room, supermarket, counter, vehicle-mounted and so on.15.LED Moving Display, accessories: CD for specification, USB link, rechargeable ...