Size: 110cm*110cm*15cm
Circle diameter: 100cm(Red)
DOT diameter: 8cm(Amber)
Text and figures: Point spacing=20mm; Pixels=21*30 DOT(Amber)
LEDs: D=5mm; Brightness: 4800mcd
With rain and light sensors
Protection class: IP66
Power supply: AC100-240V(Optional solar power)

Function:
1) Automatically adjust the speed limit value;
2) 8-level brightness adjust;
3) GPRS network remote control;
4) RS232 serial communication.