The Safeways Power Vest is a great way to stay safe while biking, running, or general outdoor work. The bright LEDs combined with large reflective strips on the front and back of the vest improve your visibility. The mesh construction keeps you cool on the hottests days and large front pocket provides easy accessability when you need it most.Proactive lighting system with patented LED lens with 2 super white LEDs and 4 red LEDs for super proactive visibility up to 1000 meters in total darknessIncluded: two lithium cell batteries (Panasonic CR2032 3V) for use up to 150 hoursConforms to European 1150 (h? 176) standardUniversal size - for use in sportswear3-way switch: blinking - stable - off.Safeways NL is a manufacturer of a range of safety products. BE SAFE BE SEEN is our motto.