Bike Lights Meteor Flex White 31528 Meteor Lights Set Raise Safety While Riding Bike Front Light Emits Very Bright, White Light, A back red. Each lamp has two LED LEDs. Good visibility up already up 500 meters Design is compatible with all sizes For assembly no tools are required. Two batteries CR2032 3V, which continuous work time is up to 70 hours  Technical data: · set 2 lights: frontód i rear· 2 LED LED SuperBright· 3 operation modes: steady, pulsing, intensive pulsing· 2 batteries CR2032 3V· waterproof· weight one lamps: approx. 30 g