The Type C LED Flashing Arrow Sign Trailer meets AS4192:2006 Illuminated Flashing Arrow Signs. The trailer is a selfcontained item of plant supplied on its own trailer with back-up battery supply powered by two (2) 80W solar panels positioned flat on top of the arrow sign to attain the optimum solar energy regardless of trailer direction. As the unit is designed to be left unattended. It is fitted with stabilisers and adequate protection against interference from unauthorised persons. The arrow sign can be lowered, rotated and locked to reduce wind drag while the trailer is being towed behind a vehicle.