BESTSUN High-Power LED Headlamp, Running Headlamp, Camping Head Lamp Powered by 3 x AAA Batteries (Not Included) High-power LED Headlamp: Made of 3 x high-power LED light source (One white and two red), reasonable lumen output and long lifespan. Smart 4-mode Switch: Press button switch to High Beam, Low Beam, Red Beam and Strobe Light. Powered by 3 x AAA Batteries: Normal size batteries available widely in the market and replace batteries easily. Design Light Weight: Only 0.1lbs totally and wearing comfortably on your head by adjusting the size of headband. Applications to Make Your Hands Free: The headlamp is widely utilized for camping, fishing, hunting, riding, walking dogs etc.