NcStar DP130 1x30 RED DOT Sight With WEAVER STYLE RING Features LED (Light Emitting Diode) 100% safe for the eyes Unlimited eye relief and field of view rheostat knob-four different brightness levels Integrated weaver style ring mount Includes extra battery lens covers mounting tool Specifications MAGNIFICATION:1X OBJECTIVE DIA(MM): 30.00 RETICLE: RED DOT DOT SIZE:5 MOA CLICK VAL:N/A EXTERIOR FINISH: BLACK PLASTIC LENS COATING: RUBY N.W. (OZ.): 3.90 LENGTH (IN): 4.40 MOUNT INCLUDED: WEAVER STYLE RING Manufacturer: NcStar Model Number: DP130 SKU: NC_DP130