With extra bright CREE-LED for powerful light.Mode selector for fast selection of the desired function.Several features: 100 % - 70 % - 40 % - 10 % - strobe - SOS.Infinitely focus from laminary light nearby to high beam focused light.Integrated Li-Ion battery 3.7 V/2.0 Ah with charging indicator.Durable aluminum housing with wrist strap.USB charging cab