I'm looking at the Fenix PD35... From Grand Prairie's website
Fenix PD35 with Batteries high performance 850 Lumen Flashlight uses a Cree XM-L2 LED emitter for up to a 140 hour runtime. Powered by two CR123A lithium batteries (included), or one 18650 lithium battery, this flashlight is waterproof to IPX-8 standards to 2 meters underwater. Patented reverse polarity protection to protect from improper battery installation. Features 6 modes including Eco, Low, Medium, High, Turbo and Instant Strobe. The tactical tailcap switch can be clicked for a constant on, while you can easily cycle through the 5 brightness levels with a quick tap on the side switch or hold the side switch for one second for instant strobe. Made of durable aircraft grade aluminum with Type III hard-anodized finish. Beam shines up to 607 feet through anti-reflective coated clear glass lens. Includes a holster, clip, lanyard, batteries and two spare O-rings. Brand new directly from Fenix Flashlights.