Material
Aluminum+Reflective film+PC+Lens
Arrow boards size
2000(L)*1000(W)*100(H)MM
Solar panel
18V/8W/P 2*6V/7AH
LED color
Yellow/blue/green/red/customzied
Work time
>120hours after one normal sunlight
Battery
Lead-acid 12v /7ah
Work environment
-20℃~+70℃
Service
Three-year warranty