Features: 4200 lumen max output. Safe proximity sensor Rotary knob allowing for variable brightness levels. Smart lockdown Description: The Seeker 3 Pro is a versatile high-performance flashlight for all kinds of uses. When at high-output, the Seeker 3 makes a capable searchlight. At lower outputs, it can last for hours to keep light in a small area. It locks out after a short period of no use, and has a proximity sensor to ensure safety. Olight Flashlights are high-end and high-power flashlights.