Application: Ideal for reading, unloading the car, walking the dog, working on the car, unplug some cords in a dark area, nighttime running, bicycling, hiking, camping, fishing. Product Description Specifications Wattage: 3W Lumen: 100lm (Max) LED Amount: 1 pc. (of white) + 2 pcs. (of red) Headband Length: 2.13ft/65cm Net Weight (including battery): 0.073kg Power Type: 1 pcs. alkaline AA Battery (included) Discharge Time: 5 hrs. (of high brightness), 10 hrs. (of low brightness) Mercury Content: No 4 Modes Main light modes: High brightness, low brightness Red-light modes: Steady on, flash Change mode via the bottom button of the headlight. . Light Weight This headlight only weighs 50g (battery weight not included), which is great for sports, like hiking, camping, running, walking, etc. Adjustable With an elastic headband, you can adjust its length according to your needs. Also, tilting the headlight part, you can adjust the beam direction. . You can pull out the light shielding plate to prevent the light dizzying the passersby in front of you. Water Resistance The headlight has IPX4 waterproof rating, meaning that is protected from splashing water. Long Discharge Time Powered by a battery (included), the discharging time of the light can be up to 10 hrs. of low brightness, and 5 hrs. of high brightness.