... 5. Warranty: 2years Features: 1. Ultra-thin design, weight light, new structure, beautiful appearance.2. Multiple seal, waterproof, dustproof, ... Meet GAT508-2004 and international standards.Technical parameters:Light diameter:300mmLight sourse: 168pcs LED lights*3 full screenLight brightness: >7000/m2wavelength ... lifetime: 100,000 hoursContour dimension:1200*380*140mm 300mm LED traffic signal lights