XTAR D08 Walrus is a professional diving flashlight both for underwater diving and photographing that can boasts 2000 true lumens of brightness. With a Color Rendering Index of 95, brings out amazing colors in underwater photos and videos. 120°wide beam ensures maximum lighting coverage and is ideal for cameras with a wide field of view. Sneak up shy marine creatures with red light mode without frightening them.The red light could adjust the bluish color, because the water absorbing some red light.Head switch for easy operation while tail magnetic control rotary switch is perfect to adjust the lighting for underwater photograph. Power reminding, long runtime and more features to help you enjoy the diving experience!