Product Name: Road Flares Roadside Flashing Emergency LED Lights Model NO.: TE2-0549 Weight: Less Than 200g (7oz) with Batteries Battery Type: 3PCS AA Alkaline Batteries for Each Flare (Not Inc Battery Life: up to 30 Hours of Run Time Shelf Life: 10 Years Emission Source: Super-Bright LED Array, Solid-State, No Filament Visibility Range: up to 8 Kilometers (5 Miles) Magnetic base: Sticks to Your Vehicle Operating Temperature: -40 to 100