bicycle wheel light bike light set 1,rear light and front light with ... 2,in "AAA"battery 3,Refinement packing bicycle wheel light bike light set SPEC.:front light1, Latest Collimator technology2, Unique ... hours use AAA, batteries X 4 4, 180° side Visibility5, Water Resistant6, 3 modes (High beam, Low beam & Flashing) 7, ... more details information welcome your inquiry. bicycle wheel light bike light set