Product details:

The Fenix HP30R is a headlamp with a separate battery case, powered by two 18650 Li-ion batteries or it can also run off four CR123A batteries. The belt-worn battery case reduces the load bearing of users head and maintains optimal performance in cold areas. This headlamp is rechargeable via the Micro USB port in the battery case and the battery can be as a power bank. The versatility continues with 4 levels of spotlight and 4 levels of soft floodlight to match up to whatever your needs may be at any moment. The unique ability to utilize both flood and spot levels at once provide you 16 levels of adaptable light with runtimes lasting as long as 400 hours.