[3 LIGHTING MODES] High/Low/Strobe. Switch between modes by fully pressing the ON/OFF switch. Press the ON/OFF switch halfway to change modes during emergencies quickly. [ULTRA BRIGHT BEAM & EXTENDED BATTERY LIFE] 900 Lumen high-quality LED output, the beam can reach a distance of 1000 FT/300 M (on high-beam mode), 46 hours on low-beam mode/18 hours on high-beam mode. 3X C Alkaline Batteries included.