Specifications:Emitter: 1x Nichia 519A 4000K 90+ CRI Reflector: Orange Peel reflector Driver: Buck circuit (FC11C) Operating voltage:2.7V-4.2VUSB C charging built in Battery options: 1x 18650 Li-lon battery ( not included)Dimension:116.23mm (length) x 27mm (head diameter) Weight: 65 ±1 gram (without battery) Flashlight body: Aerospace grade 6061 grade aluminum alloy, CNC manufactured to hard-anodized to military grade specification type Ill, anti-abrasive finish to get solid built body, anti-crash geometry and better heat exchange. Toughened mineral glass lens Water resistance i.a.w. IPX-8(FC11C) Mode Memory:memorizes the last brightness level used in the general modes (except Strobe) Reverse polarity protection to protect against improper battery installation. Automatic stepdown: Turbo mode steps down after 90 seconds of operation to prevent overheating. To reactivate Turbo mode, doubleclick the side switch once again
