The M20SX JAVELOT is a new generation of two-tail-switch tactical flashlight. The maximum output has been improved to 820lm. M20SX JAVELOT is powered by 2x CR123A or 1x 18650 battery. The LED lamp has been processed by unique technology, which improves the light range to 370 meters. M20SX JAVELOT has abundant tactical accessories such as weapon mount, filter, and remote pressure switch. It is a good assistant for hunting, law enforcement, search& rescue and outdoors. FEATURES Material: Lightweight Hard-Andozized Aluminum Powersource: 2x CR123A or 1x 18650 Bulb: LED Output: Mode 1/Mode 2/Mode3 Lumens: 820/150/25 Run Time: Up to 18 hours on low Submersible: IPX7 Carry System: Handheld Rechargeable: Yes (18650 battery) Includes: Holster, Spare O"Rings, Battery Magazine, Lanyard & Diffuser Dimensions: 5.5 x 1.4