Variable speed limit signs

I-ROAD Technology. Dual-color, high-brightness LED display screen that can change the text or graphics on the screen through a computer terminal, remotely control the switching of different information contents. Equipped with a mobile device with traction, tires, chassis and brackets, and brakes, the height can be raised and lowered. It is recommended to use a solar power system, optionally equipped with lead-acid batteries or lithium batteries, and calculate the applicable voltage, current, energy consumption, power, capacity, etc., according to specific lighting conditions and working hours requirements.