SpeedTech Lights Striker TIR 6 Head LED Traffic Advisor Light Bar for Emergency Vehicles/Strobe Directional Warning Light Windshield Mount - Clear/Clear SUPER BRIGHT VISIBILITY - Featuring SpeedTech Lights' enhancing Eclipse Optic Technology. SAE J595 CERTIFIED - Tested by a third party independent test lab. PASSED. 29 FLASH PATTERNS - Memory recall - Choose from a variety of warning patterns. 5 YEAR WARRANTY - Top quality, low profile, long lasting LEDs. EASY INSTALLATION - 90 suction cup windshield mount bracket included.