The cateye hl ld155 bike front light boasts 5 bright leds optimised with opticube lens technology to deliver fantastic 180 degree visibility it can run up to 120 hours when on flashing mode and this mode is also great for attracting attention should you need to there is also a constant and rapid mode to choose from so you can get the one that suits your needs perfectly this cateye bike light is a must have safety essential if you39re going to be riding in poor light conditi