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By certification 
Products Features:
* Cree XM-L2(U2) LED, max 700 lumens output * Uses 1*18650 Li-ion battery
* Aircraft-grade high strength aluminum material * Alloy aluminum reflector with professional optical analysis
* Magnetic controlled side switch, high waterproofness for easy operation underwater
* High efficiency constant current circuit, constant brightness
* Reverse polarity protection, to protect from improper battery installation
* Premium Type III military hard-anodized seawater-corrosion-resistance finish
* Toughened glass with high water pressure resistance under deep water
* Water pressure resistant construction, depth rated to 150 meters
* Standard included wrist strap fastens the flashlight to the back of your hand
* Cree XM-L2(U2) LED, max 700 lumens output * Uses 1*18650 Li-ion battery
* Aircraft-grade high strength aluminum material * Alloy aluminum reflector with professional optical analysis
* Magnetic controlled side switch, high waterproofness for easy operation underwater
* High efficiency constant current circuit, constant brightness
* Reverse polarity protection, to protect from improper battery installation
* Premium Type III military hard-anodized seawater-corrosion-resistance finish
* Toughened glass with high water pressure resistance under deep water
* Water pressure resistant construction, depth rated to 150 meters
* Standard included wrist strap fastens the flashlight to the back of your hand
