Light box size(mm): Height382, width384, thickness171;

Light source: Diameter(mm): 300
Color: Yellow(wavelength 580-585mm)
Shape: Round, with"slow" word, arrow
Flashing occupying rate: 17%
The maximum power: 6.2watts

Size of solar panel(mm): 290x268x25

Solar cell: Output power  8w
  output voltage  18v

Accumulator capacity: 12v/17ah

Iiiuminating time under comtinuous overcast and rainy days: 8 days
Working temperature: -150ºC-600ºC