The upgraded Fenix HL30 2018 Edition headlamp features a wide-range flood light that fills your field of view with a maximum 300 lumens at a distance of 164 feet (50 meters). Dual switches operate the HL30 headlamps eight lighting modes including five brightness levels, red reading light, red flash and SOS. IP67 rated waterproof and dust proof, sweat channeling reflective headband and powered by readily-available AA batteries round out this lights features. The HL30 will soon be your go-to headlamp anywhere hands-free lighting is needed. Output: --Using the included alkaline batteries (Ni-NH batteries will give more light output and longer runtimes) --Turbo: 300 Lumens for 4.5h --High: 130 Lumens for 9h --Med: 70 Lumens for 41h --Low: 30 Lumens for 71h --Eco": 4 Lumens for 170h --Red: 1 Lumen for 170h --SOS: 30 Lumens for 142h --Red Flash: 1 Lumen for 340h --64mm Length --50mm Width --Weight: 73.5g excluding batteries PRC