With a sleek rechargeable design and excellent fore-aft balance, the 200-lumen Black Diamond Sprinter Headlamp is a versatile, all-weather light that's ideal for high-impact use on the trail or the skin track. A red taillight strobe in the rear adds visibility in urban areas but can be turned off when you're on the trails. The lithium polymer battery recharges through a USB port in 5 hours, and a stormproof design keeps it going strong in any weather with regulation for constant illumination throughout the battery life. Features: - 1 DoublePower LED with 200 lumens (max setting) projects a strong, oval beam - Red taillight strobe with on/off programmability for visibility in urban areas - Powered by a lithium polymer rechargeable battery (5-hour USB charge time) - Settings include full strength, dimming and strobe - Regulated for constant illumination on all brightness settings - IPX4: Storm proof-Tested to withstand rain and sleet from any angle. - Weight With Batteries: 105 g (3.7 oz) - Max Distances: [High] 50 m, [Low] 2 m - Max Burn Time: [Low] 42 H, [Average] 24 H, [High] 4 H - IPX Rating: x4 - LED Type: 1 TriplePower