Features Ten-Tap® Programming – Choose from three user selectable programs:1.) high/strobe/low (factory default)2.) high only3.) low/high C4® LED illumination output and run times:HIGH - 180 lumens; 3,800 candela peak beam intensity; runs 2 hoursLOW - 12 lumens; 250 candela peak beam intensity; runs 24 hoursSTROBE – runs 4 hours Includes one 3V CR123A lithium battery and nylon holster Solid State power regulation provides maximum light output throughout battery life Rubber push-button tail switch Durable, anodized aluminum construction with impact-resistant tempered glass lens IPX7 waterproof to 1 meter for 30 minutes; 2 meter impact resistance tested Unbreakable pocket clip Anti-roll head 3.43” (8.71 cm); 2 oz (57 grams) RoHS compliant