The portable VMS on trailer is a kind of small mobile message sign board with a trailer. It is used to release the traffic or weather information in the form of text or graphic images, to giving warning to the drivers in order to reduce the traffic accident. It can also show the instruction, notice or related information from the commanding department, so it can help keep effective instruction on the traffic, guide the orderly transportation on road and better guarantee the safety driving and smooth traffic. The portable VMS on trailer, which can be easily used any time without AC power at site. It only needs to be transported to the road when it’s needed and it highly improves the efficiency of the road construction and safe control at a lower cost. - See more at: /traffic/149.html#sthash.RFWfwGiN.dpuf.

>>>Energy-efficient operation, which allows the VMS to have long run time.

>>>Batteries are charged by Solar Charging System directly, no need for extra conversion equipments.

>>>Automatic shut-down function for the solar charging system when batteries are fully charged, preventing damages to batteries.

>>>Solar Charging System, Commercial Power System, Generator Power Supply are all available.

>>>Cooling fans protect sign cabinet and battery charger from overheating.

>>>Battery box can be locked to prevent unauthorized access.

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