Leadleds 55in Mobile Digital Billboard Custom Car Sign Led Video Advertising Board for Pickup Truck DC9-36V Mount Way:Fixed 2 sides of Led Sign Working time: 6 hours

Working time: 6 hours

keep it light up for 72 hours

Voice command

Material Type: Metal

Leadleds 55in Mobile Digital Billboard Custom Car Sign Led Video Advertising Board for Pickup Truck DC9-36V Mount Way:Fixed 2 sides of Led Sign Working time: 6 hoursMobile Led Panel Screen Phone Programmable Led Digital Sign Scrolling Your Advertising Hitch the Portable Digital Billboard on Your Truck Back Make any pickup into a mobile billboard truck. Assembled and disassembled in a few minutes without compromising the integrity of your vehicle! DC9 36V Led Car Sign 3 meters(10 Ft) Power Cable Phone program message Selection message to display by the app's remote function Offline display, you don't need to