This is the Sherwood ST1000 1000 Lumen Scuba Diving Light Features: Provides Surprising Amount of Light for 6 (15.25 cm) Long Torch Regardless of Where-You-Dive, ST1000 Torch Will-Come-In-Handy 3-Power Levels: 100%, 50%, & SOS Strobe Power Level Outputs: 1000 Lumens at 100% 500 Lumens at 50% Burn Times: 1-Hour at 100%, 2-Hours at 50%, 3.5-Hours in SOS Strobe Battery Indicator: Green Full Charge, Yellow 50% Power, Red Low Power Power: Rechargeable IT18650-A Lithium-Ion 2600mAh Battery In-Unit USB Charger Recharge Time: 4 to 5-Hours Penetrating Narrow 12Adeg Beam Angle Push Button On/Off & Mode Switch Material: Aircraft Grade Aluminum for Strength & Durability Triple Ridge Seal Design Dual O-Ring Seals for Maximum Protection Depth Rating: 328&'; (100 meters) Padded Carry Case w/Top Grab Handle & Zippered Closure Includes: Battery and Charger Cable The Sherwood ST1000 provides a surprising amount of light for this 6" (15.25 cm) in length torch. Regardless of where you are diving, the ST1000 Torch will come in handy. With three power levels 100%, 50%, and SOS Strobe, an in-unit USB charger, and two separate O-Ring seals for maximum protection this is a superb unit. Light provides 1000 lumens of brightness in 100% power mode and 500 lumens in 50% mode. Powered by an IT18650-A lithium-ion 2600mAh battery that gives a burn time of 1-hour at 100%, 2-hours at 50% and 3.5-hours in SOS strobe. A battery indicator tells when to recharge with a green light when light is fully charged, yellow at 50% power and red when battery is low. The lights recharge time is 4 to 5-hours. The Sherwood ST1000 Light has a penetrating narrow 12Adeg beam angle and push button on/off and mode switch. Light is made from aircraft grade aluminum for strength and durability, has a triple ridge seal design and is depth rated 328&'; (100 meters). Included with the light are a padded carry case with top grab handle and zippered closure, battery and charger cable. "