led display 1.easy to write and wipe 2.long ... bright and equal light. Inside of the led writing board there's two RGB led strips ) along the short sides of ... year guarantee lifespan of leds : more than100,000 hs.7. High quality power charger with3C, CE &ROHS approval, ... at dressing shops, bookstores, bars, malls, supermarket, window display, etc.2. For decoration in festivals, holidays and parties3. ...