Bicycle front light,Cycle computer,bicyle rear light: - Three in one set - Your logo is welcome. - Battery included!! Bike front light:TOOL FREE! - ... Power saving- Wheel rotational speed per minute (RPM)Bike rear light:- 5 Super Bright LEDs, Bulb Life: 100,000 Hours ... Ideal for Jogger, Cyclists, Skiers, Hikers, Decoration, etc.’‘’‘’....…………………… Bicycle front light,Cycle computer,bicyle rear light