5 Light Modes• Turbo (2,000 lumens) - 30 second intervals* / 200 meters_ • High (500 lumens) - 3.5 hours / 90 meters_ • Medium (200 lumens): 6 hours / 50 meters_ • Low (35 lumens) - 30 hours / 25 meters_ • Strobe (1,000 lumens) - 2.5 hours / 125 meters*Turbo mode is designed to give you short bursts of power when you need it most. After 30 seconds, the light will return to the previously used mode to prevent the light from overheating and protect the battery. Turbo mode can be reactivated at any timeFeaturesRechargeable Anodized aircraft-grade aluminum; water and impact-resistantSmart Power ControlDirect-to-LowRemovable steel belt/pocket clipPower Memory Recall Side-positioned ON/OFF button with charging indicator MagDock USB charging cable included 2200 mAh Li-ion 18650 rechargeable batteryWeight: 113g Dimensions: L10.8cm x W2.5cm