These 4.75" round red LED lights feature potted, solid state components. The ultimate in reliability, they are rated for over 100,000 hours of use, and draw less than 0.8 amps. High-impact Par 36 rubber housing protects against moisture, contaminants, shock and vibration. With a flash rate of 72 fpm, they meet or exceed SAE J1318 and J845. Designed for use in any weather, they operate in temps of -22° to 149° F. Each kit includes two RED LED heads, mounting brackets and instructions.