Dimensions: 4.375″; Construction: HAIII Military Grade Hard Anodized Aluminum; Color: Black; Light Features: Rechargeable l Batteries NOT Included l SOS Strobe l Strobe l Clip l Water Resistant l High: 1000 Lumens for 1h l Medium: 230 Lumens for 6h 45m l Low: 1 Lumens for 680h; Other Info: CREE XP-L HI V3 LED. 5 brightness levels. Location beacon mode. Two stage switch. Micro-USB port with USB cable. Coated mineral glass. Rhombic knurling on handle. 362m beam distance. Impact resistant. Waterproof and submersible. Uses one 18650 battery (not included) or two CR123 batteries (not included). Tail stand capability.