Features:

• 30mm main tube
• Completely Sealed and Nitrogen Filled
• Compact and lightweight
• Hard anodized finish
• Fully multi-coated lenses
• Red / green / blue reticle illumination
• Variable 1-4x magnification
• Fast focus eyepiece
• Fit for 20mm rail
• Material: Aluminum
• Battery: 1*CR2032 (not included)