... new 42'' lcd screen 2.1080p video 3.lockable for safety 4.wifi/ 3G network 5.CE,UL,CCC,FCC ... 10", 15", 19", 22", 32", 42" and 55" LCD digital signage/advertising display/ advertising player are available.♥widely used in supermarkets, office ... field: ♥Business Organizations: supermarket, large-scale shopping malls, exclusive agency, chain shops, large-scale sales, star-rated hotels, restaurants, travel ...