All weather design with water resistant battery case storage pocket - 3 powerful magnetic mounts on the back for sticking on metal surfaces (e.g. trunk of vehicle) - Made of reflective PVC material - Features 12 bright red and 3 bright green LED emitters - High visible up to 250 meters away - 2-mode operation: flashing red > flashing green - Powered by 2 x AAA batteries (sold separately) - Works for around 4 hours continuously in red light mode with typical alkaline batteries