Super Bright Warning Emergency Beacon Hazard Caution Dash Strobe Flash Light Bar Car SUV Pickup Truck Van (4 pieces) Package includes: 4X 6 LED Car Strobe Flash Lights + 4X Protection Pad + 8X Screws + User Manual Color: Black Housing + Clear Lens. LED light Color: White and Amber. Voltage: 12V. Wattage: 6W ( 1W/LED ). Number of LED:6 x LED (Each Light). Material: High Quality ABS Housing + PC Lens Powered by 6 high intensity LEDs with optical lens. 16 different flashing patterns. Last pattern memory recall. Anti-collision, anti-dust and splash-proof. No pollution, no noise, no electronic interference. No-flicker. Vibration resistant. Faster on/off response Time Self-Contained Light Head, No External Flasher Required. Only if you connect the light to the brake light that can have strobe light patterns. Please also connect the red and the yellow wire to the brake light first to active the light, then turn off the car and connect red to positive and black to negative again.