Traffic will inevitably lead to breakdown of the car, especially at night when ordinary triangle warning signs are weak, this led led warning sign can make far-distant drivers see far and avoid unnecessary troubles Foldable Design: The emergency triangle sign can be folded. Perfect for every car,truck,SUV or motocycle. Requires 3 pcs AA batteries (not included) Highly reflective with LED Lights, which very visible to other drivers, The 60 LED's Provides the highest degree of visibility,up to 2/3-miles away High quality and easy to store Simply Warning Triangle which helps drivers keep safe and highlight a brokendown vehicle Ideal for roadside repairs, parked vehicles, construction sites, directing traffic, loading / unloading etc