Our 4 inch round Par 36 Gen 2 LED lights offer bright and powerful LED output (be sure to check out our new Par 36 Gen 3 LED light). Self-contained design features 8 popular flash patterns. Durable metal U-Bracket that is suitable for many applications. Great for tow truck, off road vehicle lighting and DOT work trucks. Advanced reflector cell technology manipulates and directs emitted light for maximum light output while collimating lens concentrates light into a solid beam of light. Weatherproof design is suitable for exterior or interior use. This light meets or exceeds California Title 13 and SAE J595 requirements.