Leadleds HD Dual Sided Led Topper Full Color Car Top Advertising Sign 4G WiFi control card Display Capability: videos/pictures/animation/graphic/text/timer/clock/etc

Display Capability: videos/pictures/animation/graphic/text/timer/clock/etc

64 meters)

You send messages to your LED sign by Your Phone

How to build your own programmable LED matrix

Message Color: full color

Leadleds HD Dual Sided Led Topper Full Color Car Top Advertising Sign 4G WiFi control card Display Capability: videos/pictures/animation/graphic/text/timer/clock/etc38 in double sided LED screen full color high definition display DC9 36V operation Super brightness vivid display Waterproof, easy mount Available control single or multiple devices in the device list to perform operations Fast send your messages, and control your messages at 1,000 miles away. 3G 4G WiFi outdoor taxi roof led display top led screen car advertising digital sign For the United States, the 4G cloud supports LTE FDD bands: B2, B4, B12,