The NcSTAR 1x 45 mm T-Style Red Dot Sight (Weaver Base) has seven-position rheostat knob for multiple brightness settings and integrated weaver style mount. It is powered by a 3-volt lithium battery (CR2032).
LED (Light Emitting Diode) 100% safe for the eyes
Anodized aluminum body
Unlimited eye relief and field of view
Export of this product outside of the United States of America is not allowed and is controlled by the US Department of State