· Material: Aluminum · Color RDS: red / green · Brightness Adjustable · Maginificación: 1x · Objective lens diameter: 30mm · Tapas protection for lenses · Adjustable windage and elevation · Weight: 330 g · Length: 141mm · Height: 73mm Includes side rails for attaching accessories · Compatible with any standard 20mm rail · Battery: CR2032 x 1 (not included)