Surefire 6PX Pro Dual-Output LED Aluminum Flashlight (320 Lumens) 6PX-D-BK

The 6PX Pro is a dual-output flashlight. It boasts 320 lumens of max output, but it also features a useful low-output mode that lets you extend the runtime per set of batteries. The 6PX Pro comes with a press/click tailcap switch. Dual-output tailcap click switch—press or click for low, return to off then press or click again for high.

Features:
Virtually indestructible LED emitter regulated to maximize output and runtime
Precision micro-textured reflector creates smooth, optimized beam
High-strength aerospace aluminum body, hard anodized for extreme durability
Weatherproof O-ring and gasket sealing

Specifications:
Max Output: High: 320; Low: 15 lumens
Runtime: High: 2.5*; Low: 45 hours
Bezel: 1.25 inches (3.2 cm)
Length: 5.2 inches (13.2 cm)
Weight (w/batteries): 5.2 ounces (147 g) with batteries
Two SureFire 123A lithium (included)

*Runtime until output drops below 20 lumens.