Silva 37808 Headlamp Trail Runner, Free H, Black

Manufacturer Name: SILVA Model Number: 37808; Product Size: 2.4 x 1.4 x 1.2 inches (60 x 35 x 30 mm); Weight: 3.5 oz (108 g) (including batteries) Waterproof Level: IPX5 (Waterproof level IPX5 means that no water will enter the inside no matter which direction water gets splashed. Operating Temperature: -4°F to 140°F (-20°C to 60°C) Power Supply: 1 rechargeable battery (included) or 3 AAA batteries (not included) [Brightness] Max: 400 lumens (lighting reach distance of 27.6 ft (80 m)/Med: 200 lumens (illumination distance of 50 m)/Min: 50 lumens (illumination distance of 66.6 ft (20 m) Battery life (hours): (When used at a temperature of 44°F (20°C)): Max: 2.5h / Med: 5h / Min: 12h *This life time is measured by ANSI FL1 Standard. (Turn on and after 30 seconds, the output will be 100% and the time until it drops to 10%. Virtually the time of use varies depending on temperature and battery quality. Also, if the temperature is low, the usage time will be shortened. Please note: