NcSTAR 35mm Red Green Blue Dot Optic 101103108 Performance 725 lumens with 175 Performance 725 lumens with 175 meter beam distance Runtime up to 1 hour on High Construction and Durability Durable anodized machined aluminum construction for long term reliability Controls and Features Interchangeable ambidextrous rear paddle switches for user preference Supports momentary and constant on operation Safe off feature helps prevent accidental activation and conserve battery life Mounting System Rail clamp allows fast tool free attachment and removal Designed for safe installation without placing hands in front of the muzzle Designed for use with Springfield Armory Hellcat and Heckler and Koch CC9 subcompact handguns Power and Included Items Multi fuel design accepts CR123A battery or SL B9 rechargeable battery pack Includes SL B9 battery USB C cord mounting kit with keys high and low switches and multi tool Designed to enhance visibility and targeting capability in home defense and tactical situations 23mm Hook Gap: N A Product Box: Black Mechanism: Double action out the front automatic Category: Optics › Pistol & Rifle Sights LED (Light Emitting Diode) 100% safe for the eyes