JTS 1x21 Red Dot Scope
Magnification: 1X Aluminum construction Windage +/- 40MOA Elevation +/- 40MOA Click value: 1 click = 1MOA 8 brightness levels Objective: 21mm Auto shut off Up to 1,000 hours of runtime Length: 2.5" Weight: 5.47 ounces Requires CR2032 battery