... -100,000 hours Product ParameterProduct name :Scrolling light box crystalProduct type:30*40cm40*60cm50*70cm60*80cmFrame size:300*400*9mm400 ... , bookstores, bars, nightclubs, supermarkets, window display, to promote new items or discount items.2. Festivals, holidays and parties decoration ... fragmentation of light guide plate. 2. The cleaning light box, you should use soft textiles after wet wipe gently. ...