Check the listing for details. X300U Tactical Light Ultra High Output Version Output LED X300U Flashlight. Condition: New. Listed at 37.99 USD. Product DescriptionColor: Black / Dark EarthLength: 3.80 inches(96.5mm)Bezel Diameter: 1.10 inches(28mm)Weight:2.82 ounces(210g)Lens Material: GlassBezel diameter: 1.125 In(2.85CM)Max Output -- White Light 400lumensTactical Runtime** 1 .5 hoursBattery type:2 x 3V CR123A (not included)Runtime until output drops below 10% of maximum output with Picatinny or Universal rails.Rail Type: 20mm Weaver rail This is Ultra High Output Version, the head is longer than the standard one Features Virtually indestructible LED regulated to maximize output and runtime Tactical-level output with TIR lens for close- to longer-range applications Quick-detach rail clamp Accepts optional forend switches Weatherproof—O-ring and gasket sealed Construction—High-strength aerospace aluminum with Mil-Spec anodizing; impact-resistant polymer; coated tempered window RETURNS: -We stand behind every product we sell. If you're not pleased with your purchase, we'll be happy to make an exchange or refund the product price less S&H within 14 days of your purchase. -For any exchange or refund, we need the original receipt or a record of the purchase in our system, and the product must be in its original condition, including the box, UPC bar code, packaging, and all accessories. -Please allow up to 15 business days for returns to be processed.-Shipping and handling charges are not refundable.