KLS Rippy 2 is battery rear light which uses COB LED source which provide great visibility. It is designed to make you visible also from sides and thanks to adjustable bracket you adjust the vertical angle according to angle of you seat post. COB LED (Chip-on-board LED technology) SideSafety System - light casing spreads the light to the sides for rider´s better protection Can be adjusted vertically Simple tool-free installation Suitable for all seat post sizes and shapes Easy to mount on rear triangle Water resistant DETAILS Light Source: 15 chips High Brightness Red Functions: 100%, Flashing Battery: 2 x AAA 1.5V (included in packaging) BUYERS OPTIONS Colour: black