LED avation warning light/aircraft warning light/tower light/telecom light lifetime: >100,000h low/medium intensity FeatureBuilt with multi-arrays LED source. Extremely long life up to 100,000 hoursLampbase: made from die-casting aluminum alloy-----excellent resistance to corrosion90mm Frensel len molded with polyacrylic plastic—better light transmittance and unaffected by ultraviolet radiation. ...