The new 1x30 Red/Green Dot Scope from Barska features a 4 MOA dot reticle that can switch from red to green quickly with the scopes adjustable rheostat knob. The brightness can also be adjusted in the same manner allowing the user to adjust the brightness to the current lighting situation. - Adjustable brightness levels - Red/Green Dot Sight - Fully-coated Optics - Adjustable Windage/Elevation - Includes 3V Lithium Battery