CATEYE SYNC Core SYNC Kinetic

SYNC YOUR LIGHTS: Turn on/off all your lights with one touch. Pair up to 7 lights and control with smartphone app. HIGH POWER HEADLIGHT: 500 lumens with OptiCube lens technology for round beam. KINETIC TAIL LIGHT: Built-in acceleration sensor automatically turns on high when you slow down. UP TO 130 HOURS: Small and powerful headlight includes lithium battery and runs up to 130 hours; Kinetic tail light runs up to 50 hours; Recharge in just 2.5 to 3 hours (cables included) CUSTOMIZE LIGHT MODES: Five light modes including constant and flashing; Kinetic tail light also features group ride mode; High visibility for every ride (even in broad daylight)