The newest addition to the ProTac series is a perfect everyday carry light. This dual fuel ultra-compact flashlight accepts a single lithium or alkaline battery, providing you with ultimate flexibility in the field to ensure you always have a power source option available. Features TEN-TAPA(R) Programming Accepts a single lithium or alkaline battery Solid State power regulation provides maximum light output throughout battery life Includes nylon holster, one CR123A lithium battery and one "AA" alkaline battery Durable, anodized aluminum construction with impact-resistant tempered glass lens IPX7 waterproof to 1 meter for 30 minutes; 2 meter impact resistance tested Rubber push-button tail switch Unbreakable pocket clip Anti-roll head