Illuminates red, and green visibility through scope. Withstands against 800 G's of massive recoil. Powered by one CR2032. Able to mount on most top quality airsoft rifles. Metal material design to give a more authentic appearance. Product is shock and fog proof under harsh conditions. Iron sights provide for close range engagements. Adjustable up to five brightness settings for the reticle dot. In the Box 1X Scope Specifications: Build Aluminum Weight 1 lb Magnification 2X Battery Type CR2032 Click Value 1 MOA Reticle Color Red & Green Dimensions 163mm X 62mm X 74mm California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov