The ATAC™ A2 Tactical Flashlight is the best blend of high performance and low cost power source. Powered by (2) AA batteries the ATAC™A2 Tactical Flashlight throws a brilliant 162 ANSI FL1 Lumens of light in a smooth tactical beam pattern while providing 1.75 hours of runtime on (HIGH) and 75 hours of runtime on (LOW). The Tactical Intelligent switch is designed to silently cycle through all 3 light modes (High/Low/Strobe) using only the Momentary-On function to prevent the "Click" sound from potentially giving up your location. Another tactical feature developed by professionals for professionals is the Break-Away Lanyard designed to free your arm from the flashlight in the event of an emergency. Compatible with the 53144 - ATAC™ Belt Clip/ Holster Accessory •Aerospace Grade Aluminum •(2) AA Duracell® Batteries Included •Regulated Circuit for Maximum Output •Cree® XP-E LED •Gold Plated Contacts •Intelligent Switch w. High/Low/Strobe •Momentary-On Switch •Stamped Metal Pocket Clip •Black TPR Soft Touch Anti-Roll Ring •Break-Away Lanyard Included •Water Resistant Construction •Length: 6.0" (152.3mm) •Max. Diameter: 1.1" (26.9mm) •Body Diameter: 1.0" (24.3mm) •Product Weight: 3.2oz (90g) •Weight w. Batteries: 4.9oz (138g)