UL approved LED light box A-level, Extremely rigid aluminium frame,long life span, eco-friendly, ultra slim, ... features:Super slim Light box with High Brightness SMD LED light sourceSingle side light box is 22mm thickLow power consumptionMore ... main products include T4/T5/LED light box, LED spotlight, LED bulb, LED tube, LED panel light ,LED downlight, LED tunnel light, LED street light, Light guide ...