Whether deep-sea exploration, hunting or observing underwater nightlife, the Fenix SD20 flashlight is built for all diving activities. Delivering a maximum output of 1000 lumens of white light and 105 lumens of red light, the SD20 is powered by two 18650 rechargeable batteries. With a twist of the flashlight head, users can access three lighting modes and turn the light on and off. Equipped with a rotating magnetic ring for one-hand operation and a battery indicator light, this light offers convenience and assured illumination to those under water or on dry land.
Battery:Â 2x 18650 or 4x CR123 (not included)
Max Lumens:Â 1000
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FEATURES
- Uses a Cree XM-L2 US and Cree XQE Red LED with a lifespan of 50,000 hours
- Powered by two 18650 rechargeable Li-ion batteries or four CR123A Lithium batteries
- 208mm Length x 26mm Diameter x 40mm Head
- 245 grams (excluding batteries)
- Rotating magnetic ring for one-hand control
- Dual layer body tube guards against corrosion
- Beam angle of 110 Degrees
- Integrated white and red light illumination
- Digitally regulated output maintains constant brightness
- Intelligent over-heat protection to avoid high temperature of the surface
- Low-voltage warning reminds when battery replacement is needed
- Reverse polarity protection, to protect from improper battery installation
- Tail cap with big buckle for fast and convenient quick draw
- Made of durable aircraft-grade aluminum
- Premium type III hard-anodized anti-abrasive finish
- Waterproof to 100m
- Toughened ultra-clear glass lens with anti-reflective coating
TECHNICAL PARAMETERS
| ANSI/PLATO FL1 | White Light – High | White Light – Low | Red |
|---|---|---|---|
| OUTPUT | 1000 Lumens | 400 Lumens | 105 Lumens |
| RUNTIME | 3h | 7h 30 min | 8h |
| DISTANCE | 172m | 108m | 73m |
| INTENSITY | 7400cd | 2900cd | 1300cd |
| IMPACT RESISTANCE | 1m | ||
| WATERPROOF | IPX-8, underwater 100m | ||
INCLUDED WITH YOUR LIGHT
- 1 x SD20 Flashlight
- 1 x Lanyard
- 1 x Spare O-Ring
- 1 x Conducting Plate for flat top batteries
- 1 x User Manual
- 1 x Warranty Card








































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