Sea Frogs SF-22 40M130FT 6000 Lumen Underwater Photography Light 1. Amphibious multifunctional fill light, supports stepless dimming, 40 meters deep waterproof 2. PC + zinc-aluminum alloy main material, resistant to water pressure, impact, and high temperature 3. Metal frame + oxidation process, strong anti-fall + lamp head overheat protection 4. 120 degrees + wide-angle light output without dark corners: flat design without abrupt borders, no flicker, built-in noise reduction function, and more realistic fill light effect 5. Comes with a cold shoe interface, supports direct installation and use of a waterproof shell, and supports fiber optic flash 6. Not only a fill light, but also can be used as a multi-functional atmosphere light, with three lighting modes of white light, red light, and blue light 7. 6 CREE lamp beads provide more uniform lighting and have a lifespan of up to 50,000 hours. 8. Equipped with a rotatable cold shoe adapter, supports 180-degree free rotation front and back Parameters: 1. Mode --Fiber optic triggering: brightness 6000 lumens --Highlight mode: brightness 6000 lumens --Low light mode: brightness 2600 lumens --SOS: brightness 2600 lumens --Red light: 3.5 watts --Blue light: 3.5 watts 2. Battery specifications: Rechargeable 18650 lithium battery x4pcs (Note: batteries need to be purchased separately) 3. Control method: fiber optic triggering + button + knob 4. Waterproof depth: 40 meters130 feet 5. LED specifications: white light: 7000-7500K x 6pcs, red light: 3.5w x 6pcs, blue light: 3.5w x 6pcs 6. Illumination angle: 120 degrees + 7. LED life: 50,000 hours 8. Main material: PC110+aluminum alloy 9. Dimensions: 144.7x61.3x103.9mm 10. Weight: 550g (body only, excluding batteries and accessories)