Features： <br> Eye Relief: 3.52 Inches <br>Exit Pupil: 5.1-16.9mm <br>Illuminated Level: 5 Intensity (Red) and 5 Intensity (Green) <br>Tube diameter: 1" (25.4mm) <br>Length: 40cm <br>Net Weight: 630gram(approx.) <br>Battery: CR 2032 x 1 (Included) <br> <br> Package Include: <br>1 x 6-24x50mm AO Rifle Scope <br>1 x lens cover <br>2 x scope mounts for 20mm weaver dovetail rail only