FEATURE v Multi-Layer LED superimposition---extremely long life up to 100,000 hoursv Compound 2-layer 90MM Fresnel lens made of polycarbonate which has excellent resistance to shock and acidv Built from heavy-duty die-casting aluminum alloy-offer customer's excellent corrosion and weather resistancev Perfect combination of high-efficiency mono-crystalline silicon solar panel and high-capacity storage cells provides adequate power for the flasher to keep flashing for 20 continuous overcast and rainy days from a full chargev During daylight hours the solar module will charge the battery through
QT-S90A LED Aviation Obstruction Light