The moon crescent front light has loads of great quality features that makes it a fantastic like for all types of cycling even if you are onoff road the main feature of this front bike light is the 1 piece cob 10 chips high brightness white led with side visibility characteristics with up to 50 lumen of light out put which can be controlled with 5 different modes of standards high overdrive 50 flash 100 flash and strobe the rechargeable lithium poymer battery is e