Rechargeable. Water resistant. Impact resistant. Fits Universal and Picatinny rails. 350 lumen light output. 30m runtime. Precision reflector produces smooth beam with plenty of reach and surround light. Quickly detach and charge battery without removing from host pistol. Ambidextrous momentary on/constant on feature. Requires (1) Lithium battery . Aluminum construction. Color: Black. Boxed with hanging tab.