Featuring
* Uses Luminus LED, Max 1700 lumens
* Uses 1 * 21700 Li-ion battery
* 6° beam angle
* Mechanical head rotary switch offers high-reliability underwater
* Intelligent Over-Heat protection
* Water pressure resistant construction, depth rated to 150 meters
* Reverse polarity protection, to protect from improper battery installation
* Over-discharge protection function
* Aircraft-grade high strength aluminum material
* The latest diamond grade hard-anodized seawater-corrosion-resistance finish
* Two sides coated toughened glass with high water pressure resistance under deep water