TacticalDan"Per Wal-mart's site : *....The TA40 is Nextorchs latest Ultra Bright Tactical Flashlight, has set a new standard in quality and precise beam projection. The TA40s powerful beam delivers 1040 Lumens with a precision-reflector design for superior light penetration and perfectly focused beam. Submersible Remote Charging System with dust-proof and waterproof USB charge port under head. LED charge indicator. The new, user-friendly design, meticulous craftsmanship, and mil-spec construction makes the TA40 the ultimate lithium-ion single core flashlights for all of your tactical needs.