Foursevens QP2L-X 780 Lumens Quark Pro Gen 2 LED QP2L-X-AF Special Modes: Strobe: 10 hz, 1 hrs SOS, 4 hours Beacon, 12 hrs Included accessories: Batteries, lanyard, split ring for keychain attachment, spare o-ring, holster, hand-grip Lens Material: Impact-resistant glass, sapphire coating, antireflective coating