- All weather design with water resistent 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                                                                                                                                Dimensions: 14.17 in x 12.44 in x 1.1 in<br />Weight: 5.93 oz