RSEA’s portable message boards come in 3 sizes and can be used for a broad range of requirements. They are trailer-mounted self-powered units via solar panels enabled with battery back-up. All units have inbuilt satellite GPS tracking. Ideal for Road Safety Messages, Real-Time Traffic Information, Speed Advisory Signs (use of radar), Sales & Promotional Campaigns, Events & Festivals. Multiple programming ability via PC, SMS, Internet & Keyboard. Fully solar powered & environmentally friendly.