TrustFire H2 Headlamp runs up to 3h in High Mode. Use one Cree XM-L2 LED light. LED service life up to 100, 000 hours. Three lighting modes: High, Low, Strobe. Running time up to 3h in High Mode. Glass optical lens offers effective beam. 30 degree up or down adjustable headlamp design. 110 degree effective lighting range for outdoor users. High elasticity braided belt is comfortable to wear. Ideal for outdoor activities, like hiking, camping, fishing, etc. Specifications General Brand: TrustFire Model: H2 Beam Range: 100-200m Max. Intensity: 3800cd Low Voltage Warning: Yes Water-proof Rating: IPX4 Light Source Number of LED: 1 Color Temp. Range: 5000-6500K Light Source Bin: T6 Light Source Brand: Cree Light Source Model: XM-L2 Max. Lumens: 420lm Dimension Depth: 50mm Height: 110mm Width: 80mm Product Weight: 169g (excluded battery) Power and Battery Battery: 3400mAh Rechargeable Input Voltage: AC 100-240V Working Voltage: 4.2V Package Content 1 x Bike Light 1 x Lubricating Oil 2 x Fastened O-Ring 1 x AC Charger