(1) Solar panel power: 5W-30W (2) Battery: 12V, 10AH-17AH, (maintenance-free lead-acid cells) (3) Light source: Ultra Bright LED (various colors available) (4) Visibility distance: >1,000m (5) Control: specialized controller for solar energy traffic lights (6) Runtime: under rainy weather over 240 hours (7) Inside light control switch, starts in dark automatically.