Nitecore TM16 XM-L2 Flashlight Uses 4x 18650 Batteries, 4000 lm;

Ergonomic unibody construction reduces weight and ensures a firm grip. Dual side switches allows one-handed simple operations of the light. Battery is not included in the factory box. Features & Specifications, Utilizes 4 CREE XM-L2 U2 LED’s. Features advanced temperature regulation (ATR) technology. Boasts a peak beam intensity of 122,500cd. Dual-switch user interface ensures one-handed easy operation. Features 5 brightness levels and 3 special modes. High efficiency circuit board provides max runtime up to 520 hours. Integrated power indicator light displays remaining battery power (patented). Power indicator's secondary function displays battery voltage (accurate to 0.1V). Direct access to ultra-low or turbo ensures flexibility and convenience. Reverse polarity protection prevents damage from incorrectly inserted batteries. Stainless steel retaining ring protects the core components from damage. Rear tripod connector brings extra functionality. Toughened ultra-clear mineral glass with anti-reflective coating. Constructed from aero grade aluminum alloy. Sturdy HAIII military grade hard-anodized. Waterproof in accordance with IPX-8. Impact resistant to 1.5 meters, Tail stand capability. Dimensions, Length: 182mm (7.17"), Head diameter: 89mm (3.5"), Tube diameter: 53mm (2.09"), Weight 506g (17.85oz) (without battery), Output & Runtime. Turbo: 4000 LUMENS -45min. HIGH: 1780 LUMENS -2h 30min, MID: 680 LUMENS -6h 30min, LOW: 280 Lumens -16h, LOWER: 5 LUMENS -520.