Durable diving headlight for professional underwater lighting Construction and durability Aircraftgrade strength aluminum body Antiwear treatment with military threelevel hard anodizing on the surface Multiple waterproof rings for reliable sealing Rated for depths up to 60 meters underwater Power and charging 2600 mAh lithium battery Lowlight runtime up to 15 hours Highlight () mode runtime up to 6 hours Includes battery and charging compartment USB charging cable included Can charge devices from any USB charger (charger block not included) Light performance and heat management L2 LED emitters delivering up to 2000 lumens of white light Aluminum alloy reflector threaded into the circuit compartment Reflector integrated into the heat dissipation system to increase heat dissipation surface area for power LEDs Modes and usage Three modes: , low, and strobe Suitable for professional diving and underwater lighting When used on land, brightness should be reduced to the low setting Use scenarios Deepwater diving, including wreck and cave exploration, where bright, reliable illumination is needed Underwater photography or videography requiring strong, focused light Surface use for outdoor activities or emergency lighting, with reduced brightness for nonunderwater applications