* Cree XM-L2(U4) LED, max 1000 lumens output                         

* Uses 1*18650/2*CR123A/2*16340 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