Meet the Bigblue CF 450 Lumen Mini Focusable Light, the ultimate companion for your underwater escapades! This compact powerhouse delivers a brilliant 450 lumens of light, ensuring that you can uncover every stunning detail beneath the waves. With a simple twist, the beam angle adjusts from a narrow 7 degrees to a wide 37 degrees, providing you with the flexibility to light up your surroundings just the way you want! Crafted for durability and performance, this light is engineered to withstand an impressive depth of 330 feet (100 meters). The magnetic tail switch is a game-changer, allowing you to easily turn the light on and off even when you're in the thick of the action. Plus, enjoy the added peace of mind with double O-ring protection that guarantees reliable waterproofing. This versatile light comes ready for adventure, complete with 3 AAA batteries, a handy lanyard, and 2 spare O-rings. So whether you're scuba diving, snapping underwater photographs, or need a dependable backup light, the CF450M is here to brighten your journey!