Royal Sovereign’s Bluetooth scrolling messenger smart LED color scrolling messenger sign that communicates directly from your iOS device. Ideal for retail and service business, restaurants and more the 3 color sign helps attracts customer attention. Use the bluetooth scrolling messenger and create individual messages or multi-playlists to communicate different marketing messages throughout the day or week. Use mobile APP for quick and easy programming and on-going maintainence updates. Communicate with up to 99 different messages.
heres the demo video url
https://www.youtube.com/watch?v=ZsT560pcKt4&feature=youtu.be