Focused Narrow Beam - This pattern creates a long, powerful beam of light excellent for illuminating distant areas, or for use during fast paced activities Waterproof - IPX7 lights provide waterproof integrity down to 1 meter for up to 30 minutes Maxbright LED - The highest quality LED available, Princeton Tec’s Maxbright LED is extremely bright and efficient; This single LED emits a smooth, powerful, white light useful for a wide range of tasks Regulated LED - Lights that feature regulated LEDs have a sophisticated regulating circuit that maintains initial brightness as long as the batteries have sufficient voltage Extended Burn Time - 100 hours of runtime and battery operated, using 3 AAA batteries Ideal Activities - There are multiple uses for this light such as scuba diving, free diving, trade work, and safety preparedness