Super Bright LED Light Module Blue with 17 Different Strobe Patterns, Emergency Flasher Warning

1. Light consists of 4 high intensity LEDs with optical lenses. 2. No external flasher required. 3. 17 options of flash mode. 4. Synchronize between several units. 5. Compact, lightweight and easy to use. 6. Weatherproof and ready for outdoor mounting. 7. Built-in heat sink. Great for emergency vehicle warning lamps such as police car, ambulance tow truck, and construction vehicle flashing strobe.