Fenix HP35R Search & Rescue Edition LED Headlamp - 4000 LumensPRODUCT DESCRIPTION Made for the professional and built for the extremes, the Fenix HP35R Rechargeable Professional Headlamp is built to perform. The rotary and button combo switch allows you to choose between different levels of spotlight, floodlight, or bothfor a jaw dropping 4000 max lumens with an almost 500 yard throw. The battery pack contains two built in 5000mAh batteries and can be used as a power bank to charge other devices. Built into the