Featuring: • 8 degree spot beam is perfect for a general use beam as a standard flashlight, bike light, or dive light. • 500 lumen output certified to the FL-1 Standard • Innovative design allows light heads to be interchanged for ultimate flexibility. • Waterproof to 120 meters. • Engineered with the highest level CREE LEDs and optimized firmware. • Custom engineered lens optimizes the light to provide the most efficient and effective distribution for all your outdoor needs.