太阳能的交通号志

Spec 80*80cm/customed (1),Source of light : Ultra bright LED (2),Solar panel power: 10WService life: 15 years (3),Accumulator : 12V/34AH Service life: 2 years (4),Surface : reflective sheeting, LEDs (5),Flash frequency ≥48 times per minute (6),Visibility distance ≥500M (7),Using temperature :-20°C----+60°C (8),Lifespan :5 years (replace the battery every 2 years) (9),Continuous operating hours under overcast and rainy 240Hours (full charged)