Special Weapons Group- Built and Tested in Oregon to military-Grade standards for elite level durability and precision – 700 Lumens – 20000 Candela – Up to 1.5 Hours of Runtime – The FOXTROT2R Ships With Two Rail Interface Inserts. The M1913 Insert Is Designed To Fit MIL-STD 1913 Rails. The OTHER Insert Is Meant For Pistols With Non Mil-STD 1913 Rail Designs. – Ambidextrous Activation Paddles with Momentary Mode Latching Mode and Threshold Mode – Programmable Activation 3 Separate Modes Chosen by the User – 4-Position Sliding Rail Inserts For a Customizable Fit – FlexCore Allows The Light To Be Powered By Either The Included Rechargeable 16340 Battery Or Standard CR123A Battery Giving You The Flexibility To Choose The Best Power Source For Your Needs. – IPX-7 Waterproof rating – PEAK LUMENS 700 – PEAK CANDELA 20000 – RUNTIME IN HOURS UP TO 1.5 HOURS – ACTIVATION AMBIDEXTROUS ACTIVATION PADDLES WITH MOMENTARY MODE LATCHING MODE AND THRESHOLD MODE – BATTERY TYPE (1) 16340 HIGH-CAPACITY LI-ION RECHARGEABLE BATTERY OR (1) CR123A BATTERY – WATERPROOF RATING IPX-7 – OVERALL LENGTH 2.79 in – OVERALL HEIGHT 1.31 in – OVERALL WIDTH 1.18 in – WEIGHT W/BATTERY 1.9 oz