4-LED White & Amber Waterproof Emergency Beacon Flash Caution Strobe Light Bar 18 Different Flashing for Car SUV Pickup Truck Van (2PCS) We have made adjustments to the product according to the buyer before the feedback, Please rest assured to buy, thank you! Universal fit all Cars SUV vans Lorry Rvs Bus Boat Trailer Clearence and trucks with DC 12V / 24V Material: High Quality ABS Housing + PC Lens . LED light Color: White+Amber,Anti-collision, anti-dust and splash-proof / No pollution, no noise, no electronic interference Powered by 4 high intensity LEDs with optical lens. 18 different flashing patterns. Last pattern memory recall. No-flicker. Vibration resistant. Faster on/off response Time. Easy to install and durable.With our strict quality control system, we test each item and 100% ensure in good condition before we ship. 1 year quality warranty under regular use. Offering customer technical service, feel free contact us for technical, installation and use question.