About Product:Product Length: 15cm Product Magnification: Fixed 3 Times Adjustment Ratio: 1kd = 1/2moa Product Pipe Diameter: 30mm Adjustment Method: Manual Adjustment Gas Filling: Nitrogen Filled inside Waterproof Anti-Fog Whether Anti-Seismic: yes Integrated Pipe Diameter: Yes Product Weight: 265G Coating Method: Day and Night Double Fusion Coating Vision Adjustable: Adjustable Objective Lens Size: 24mm Focusing Method: No Differentiation Line: Metal Wire Hoke Differentiation Lighting Method: red and Green Double Light Each Five Levels