Features & Specifications:

• Maximum output up to 4000 lumens.
• Dual tail switch and side switch designed to meet all user needs.
• Micro-USB 2A fast charging, convenient and fast.
• 1 x 5000mAh 21700 Li-ion battery included for long-lasting runtime.
• Tactical/Outdoor two settings design to meet all scenarios and lighting needs.
• Innovative ITS(Intelligent Temperature Protection System) technology, monitors temperature and auto-adjusts output levels in real-time.
• Five lighting levels with optimal output for longer runtime and superior light output distribution. 
• Dimension: 41mm(1.61”) x 27.5mm(1.08”) x 161mm(6.34”)
• LED: CREE XHP70.2 P2
• Output and runtime:
  • Turbo 4000 Lumens - 1.2 Hours
  • High 1200 Lumens - 2.3 Hours
  • Medium 400 Lumens - 6.5 Hours
  • Low 100 Lumens - 21 Hours
  • Moonlight 5 Lumens - 200 Hours
• Working Voltage: 2.5V-6.4V
• Compatible Batteries: 1 x 21700
• Waterproof: IPX8
• Weight: 158g (5.57oz) (w/o battery)