... of displaying modes for option,6) adjustable flash speed 2. Using Guide: Painting,handwriting,family-deco,commercial displays. ... or promotions. accessories (standard)1.led writing board acrylic2.12V DC Adaptor3.Clearing cloth4.Instruction5.controlleraccessories (pay extra)1 ... shops, bookstores, bars, malls, supermarket, window display, etc.2. For decoration in festivals, holidays and parties 3. For ...