♥lifespan: Over 50,000hrs (no worry for replacing bulbs often)
♥Finish: Anti-slide  
        Anti-roll body design (comfortable feeling and easy for carrying
         Reverse polarity protection (To protect from improper battery installation)
♥Appearance:   Black or Titanium 
             Premium type III hard anodized oxidation  (abrasion resistance) 
♥Material:   T6061 aircraft-grade aluminum(hard/wear resistant/ impact resistant)
♥Multi-mode:      High
♥Switch:      Rotatry switch
♥Circuit board: Memory function, constant working current and voltage.
♥Waterproof:    IP68 work underwater 150m (anti-dust, living water and rain)
♥Lens:      Ultra-clear toughened glass ( 4mm super-thick)
♥Falling grades:    1.5m
♥Accessories:        lanyard /neutral box
♥Usage: 1. professional diving 
       2. lighting underwater, fishing ,saving life in emergency
       3. Can be used to change  into photography light