【LED Lights】The 2AA Swivel Head is fitted with a high-intensity (70 lumen max) white LED for traditional flashlight use; Red LED for standard light discipline; Blue for medical and map-reading applications; Green for transportation, aviation and defect detection; Infrared (IR) for use with Night Vision - including an IFF capability.【All visible output LEDs have 3 output levels】LEDs are rated for a life of at least 50,000 hours. There are discrete individual controls for each LED with a central 'lockout' switch so that the unit does not activate unintentionally. All visible LEDs can be activated at the same time. Visible and IR LEDs cannot .【Feature】The Energizer® Hard Case® Tactical® 2AA Swivel Head has multiple coloured LEDs with a broad range of applications. It's 130° swivel head can signal to overhead assets or light the way ahead with an extremely strong clip allowing the light to be mounted to a Mollé vest or tactical kit.【Design】It is designed with DualDrive™ technology which will allow the unit to operate on either one, or two, AA batteries (runs best on li-ion). It features a quick-lock, hinged battery door with batteries inserted tips (+ terminal) first to be activated - one or both can be reversed for storage. 【Operates on one or two AA batteries】