The NcSTAR 1x 30 mm T-Style Red Dot Sight (Weaver Style) has seven-position rheostat knob for multiple brightness settings and integrated AR/M16 Carry Handle mount. It is powered by a 3-volt lithium battery (CR2032).
NcSTAR DTB130 Features
LED (Light Emitting diode) 100% safe for the eyes
Black 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