Wide range of the power: Wide voltage range from 12V to 24V to adapt the buses;
Waterproof: With front plexiglas protection and outdoor SMD lamp, ensure the sign IP65;
Wid view angle: Large view angle 140/140 degree and ultra brightness SMD lamp, picture is still vivid under the sunshine; Slim design: Aluminum alloy material with thin and light weight, total thickness about 100mm. Multi-control method: With 3G, wifi or group control of the signs, GPS locking the place to place certain advertising.