... /network optional 4.Touch screen/motion sensor optional 22 inch lcd wall mount advertising player ,custom size available 17inch to 55inch . ... 7.With professional easy-to-use stand set ,hang on wall or stand on table.8.No DVD style mechanical movement ... power supply: AC 110V~240V, 50/60HZ 22inch digital signage lcd wall mount advertising player for supermaket ,hotels,3g/wifi/network advertising ...