This is the easiest LED sign to use in the world. Use your smartphone and the power of Bluetooth to simply swipe your message onto the sign from up to 30' away. Ideal for a wide range of indoor and outdoor marketing and advertising purposes like real estate, retailers, offices, store fronts, kid's events, tailgating, countdowns, tour buses, bars, restaurants, DJs, dorm rooms, recording studios, vehicle messages, and healthcare facilities. The signs come with the following: