NC Star Red Dot Tube Reflex Optic
LED (Light Emitting Diode) 100% safe for the eyes. Black anodized aluminum body. Unlimited eye relief and field of view. Seven position rheostat knob for multiple brightness settings.Integrated Weaver style, 3/8" Dovetail, or AR-15/M16 carry handle mount (Depending on Model). Powered by 3 volt lithium batteries (CR2032).Includes extra battery.