18GT-36 3600mAh Li-Ion 18650 battery included, max runtime up to 170 hours.

• One-Touch Turbo with either side and tail switch, One-Touch Low with tail switch, easy to operate.
• Independent tail and side switch, each with full set of features and easily adapted to any scenarios.
• For side switch, the current output mode will be memorized when the flashlight is turned off, the output will automatically return to this mode when powered ON.

• Unique lockout mode of both side and tail switch prevents accidental operations; avoids battery drains during storage or travel and preventing unintended direct shining into eyes.

• Intelligent Battery Load Check System compatible with a wide variety of batteries.

• Integrated Micro-USB charging port supports 1A fast charging.
• Newest ITS Intelligent Temperature Protection System, monitors internal temperature and adjust output for maximum brightness, protects LED and internal components to ensure safety, stability, optimum performance, and user comfort.

• Aerospace Aluminum Alloy construction; CNC precision machining; HAIII Mil-Spec anodizing, lightweight and abrasion resistant.
• Reverse-polarity protection prevents damage due to incorrect battery orientation.
• Compact Size, comfortable any grip.
• Hardened glass lens with AR coating; scratch resistant.
• Updated reflector design, coated to provide the perfect beam profile for exceptional illumination at any distance.