... computer, touch TV, training and education, commend centers, board rooms, etc. Features: Support multi-touch by pen, ... 110″ConstructionFrame: aluminum, die-cast zincPCB: FR4 fiberglass printed circuit boards, tempered glass, etc. PC connection5m USB cableTouch technologyOptical ... to 90% RH, non-condensingPower supplyUSB. Working voltage: +4.75V~+5.25V standard: +5VDC working current: <400mA Power ...