This is the Sea Dragon 3000F Auto COB LED Photo-Video Light Head Features: Powerful 3000 lumens featuring BridgeLux Gen 7 Vero COB LED Array Auto Bright mode adjusts from 300 to 3000 lumens to preserve your eye's natural night vision and extends battery life Auto Flash Detect mode*. Light turns off for 1 second when detecting external flash. Flash detect can be turned on or off. Flash detect works in all 5 light modes One button control for easy operation. One button to power light on/off and select brightness Five Light modes: 3 white modes (Manually adjust to 100%, 50% or 25%), 1 white Auto (Automatically adjusts from 10% to 100%) and 1 Red light mode 60 minute burn time at full power Constant brightness - Regulated circuitry so light won't dim with battery power. 80 Color Rendering Index (CRI) that mimics natural daylight. Easy to expand with Flex-Connect? trays, grip and flex arms 120° wide beam angle evenly illuminates the subject with no hot spots. 90° underwater Emergency mode emits blinking light or SOS signal to alert others of distress. Activated by holding down power button for 5 seconds from power off state Depth rated to 330 ft (100m) Corrosion-proof metal light head for heat dispersion and durability Removable 25Wh 3400 mAh Li-Ion battery w/ charger and international plug adapters included Waterproof battery compartment protects internal electronics even if light accidently floods The new Sea Dragon 3000F is the most powerful photo-video light in its size/weight class, delivering 3000 lumens in an even 120° wide beam. The 3000 features SeaLife's Auto Brightness, Flash Detect and two red LED's for night diving. The Sea Dragon 3000F emits a warm 5000K color temperature and 80 CRI (color rendering index) adding vibrant colors and brightness to your underwater pictures and videos. "