The Fenix HL32R-T Rechargeable Headlamp easily lights your path. Independent switches control the light's seven functional modes, including a long-reaching spotlight with a maximum 800 lumens. Made from magnesium alloy, this headlamp is not only durable but extremely lightweight. The SPORT Headband Fit System ensures a secure and comfortable fit. The included battery pack is charged via its USB Type-C port and the battery level indicator lets you know the remaining battery life before you take off on your adventure. Trust the HL32R-T Rechargeable Headlamp to deliver long-lasting, comfortable performance. MORE INFORMATION * Luminus SST20 cool white spotlight with a neutral white floodlight; lifespan of 50,000 hours * Dual switches operate independently controlled spotlight and floodlight modes * Powered by one included rechargeable ARB-LP1900 li-ion battery pack and is compatible with three AAA batteries * Made of quality magnesium materials making it lightweight durable * USB Type-C fast charging interface * Stride frequency sensor which changes the brightness along with how fast you are running * SPORT Headband Fit System for a more secure, comfortable fit * Digitally regulated output - maintains constant brightness * Reverse polarity protection guards against improper battery installation *The maximum head size the SPORT headband will fit is 24" (61cm) or hat size 7 5/8.