2.16″ overall. Water resistant. Impact-resistant. Rechargeable. Modes: White light (650 lumens, 1h runtime); Red Laser (<5mW, 6h 30m runtime); White light and green laser. 102m beam distance. Attaches securely to MIL-STD-1913 and Glock-style rails. Type-C USB charging cord. Requires (1) Lithium battery (included). Aluminum construction. Color: Black. Boxed with hanging tab.