... 3.16 kinds of flash modes 4.CE&RoHS led display board GL-ATDetailed features:1.Fashionable design: acrylic board ... mode controlone button on side of frameFix methodHang on wall/window or place on desktopPower adapterCCC/UL/CE/SAA/PSE ... , café, retail stores, shopping malls, bookstores, bars, nightclubs, supermarkets, window display, to promote new items or discount items.2.Festivals, holidays ...