Solar Yellow Flash Signal 1, high performance LED and solar panel 2, workable for over 200 hours even in rainy days Solar Yellow Flash Signal Main parameters:1, Solar panels type: Monocrystalline silicon, service life > 10 years; power: 8W; voltage: 18V2, Color of LED: yellow, red; Angle: 30°; Intensity: red 3000mcd, yellow 6000mcd; Frequency: 45 times ± 2 times per min; service life: 100 ...