SD20 Dive LightDeep Water IlluminationSubmersible up to 100 MetersFor the ultimate underwater exploration, the Fenix SD20 Dive Light is the perfect companion. Combing heavy duty CREE LED lighting with the ability to safely travel 100 Meters Underwater, this light is your key to seeing all there is in the briny deep. Outfitted with a powerful CREE XM-L2 U2 LED, the SD20 emits a stunning 1000 Lumens that cuts through the darkness in or out of water. An integrated red LED provides additional utility and discreet illumination that won't disturb sensitive sea-life.Easy to UseIntuitive underwater interfaceThe last thing you need to worry about while on a dive is how to get your flashlight to turn on. The SD20 is as simple as it comes when it comes to interface, featuring a magnetic rotator ring that lets you twist the light on and off. The alternative lower lighting mode as well as the red LED mode can be accessed this way as well. The light also comes equipped with a durable, waterproof lanyard that securely fastens to your wrist preventing accidental drops.Durable and ReliableMade with rugged Fenix brand manufacturingTaking a flashlight to the depths of the ocean is no joke, and you're going to need one that can last. The SD20 is made specifically for underwater adventure and is made with the care and attention to detail that customers expect from Fenix. Made from lightweight, durable aircraft grade aluminum, this light also has a dual body layer design the makes it extra strong and resistant to corrosion. Top that off with a type-III hard anodized finish and you have a light that can not only take the pressure, it can take a few bumps while you're at it! Features: CREE XM-L2 U2 and CREE XQE Red LED Rotating magnetic ring - one handed control Dual layer body tube prevents corrosion Integrated red and white light illumination Digitally regulated output - constant brightness Over-heat protection Low-voltage warning Reverse polarity protection Large buckle tail cap for easy access Crafted from durable aircraft grade aluminum Type III hard anodized anti-abrasive finish Toughened ultra-clear glass lens - Anti-reflective coating Includes: SD20 Flashlight Lanyard Spare O-ring Conducting Plate User Manual Warranty Card Specifications: LED: CREE XML2 U2 Output / Runtime: High: 1000 Lumens / 3 Hours Low: 400 Lumens / 7 Hours 30 Minutes Red: 105 Lumens / 8 Hours Beam Distance: 172 Meters Peak Beam Intensity: 7400cd Impact Resistance: 1 Meter Waterproof: Submersible up to 100 Meters Runs on 2 x 18650 or 4 x CR123A (Not Included) Dimensions: 208mm x 26mm x 40mm (8.19" x 1.02" x 1.57") Weight: 245g / 8.64 oz. (excluding batteries)