About this item [PREMIUM QUALITY] This LED message writing board consists of explosion-proof, anti-scratch, reinforced glass and safe & environmental-friendly accessories (8 Chalk markers with MSDS certification, US power adapter with FCC UL certification) [VERSATILE USE] At daylight, present your business menu with colorful chalk markers in a energy-saving way; at night, display your message in a vivid and eye-catching way with the 16 colors and 4 various flashing modes Flash/Strobe/Fade/Smooth. [BATTERY & AC ADAPTER SUPPLY] You can place the large led flashing writing board anywhere without worrying the power supply. The Dry Erase LED Board can be not only plugged in to supply electricity, and also be operated by the BATTERY. [EASY TO USE & CONVENIENT] No assembly required, ready to go right out of the box, you can easily write message on this led chalkboard with the BONUS 8 colors fluorescent pens, wipe off with a damped cloth, plus the USB connector, hang horizontally or vertically, great for DIY ATTENTION GETTER: Perfect for business promotion and attracting attention. This neon message board is a good replacement for regular chalkboards, teaching boards, party decor, electronic message board, light up whiteboards, wedding decorative boards, digital signs and etc. If you meet any quality issue about the board, please contact us and we will give positive solutions within 24 hours to meet your satisfaction! Package Includes: 1x LED Message Board 1 x Set of 8 Fluorescent Pens 1x Remote (Battery Included) 1x Hanging Chain 1x Power Cord 1x Wiping Cloth 1x Manual Size: 32" x 24"   Brand Voilamart Color Black Material Glass Mounting Type Free Hanging Number of Batteries 1 Lithium Metal batteries required. (included)