Nitecore SENSAA2 Flashlight

SENS Outdoor Series. 5 3/4" overall. Aerospace-grade aluminium alloy construction with anodized black HAIII mil-spec finish. Body is knurled for a sure grip. CREE XP-G R5 LED. Three modes: low - 20 lumen output with 37 hour runtime; medium - 50 lumen output with 11 hour, 30 minute runtime; and high - 170 lumen output with 3 hour runtime. 69m beam distance. Features: Active dimming system with auto-adjust function; Soft turn-on mode and low illumination for everyday usage; convenient one-handed operation; Integrated lens; Reverse polarity protection; and tail stand capability. Waterproof in accordance with IPX-8 (Submersible to two meters). Impact resistant to 1.5 meters. Tail stand capability. Uses two AA batteries (not included). Includes Keyring, spare plastic cap, and spare O-ring.