Measure 120 x 50 cm
No. of Panels 4 group
No. of LED 144
LED Color Amber
Display Sequential & Flashing
Arrow Board Material Engineering Grade Black & Yellow
Solar Panel Standard 22V/20W
Battery Standard 12V/17Ah
Maximum Power 20W+5%
Voltage 12V
Current Less Than 0.1A
Open Circuit Voltage 17.5V
Operating Temperature -30-80Degree
Working time in rainy days Over 300 hrs
Visible Distance 1000M