• Specifications Magnification: 1x Lens: 23mm X 16mm Field of View: 15.7 M @ 100m Eye Relief: Infinite Coating: AR Red Waterproof: Yes Reticle: Single (3 Moa Dots) Moa Setting: 1 (One Click) Battery: 1 (One) Cr2032 3 V Lithium (Not Included) Battery Life: 2 Hours Brightness Settings: N/A Max Recoil: P-50 Caliber I?Construction: Aircraft Grade Aluminum Operating Temperature: -10°C to 50°C Dimensions: 1.7x1.4x1.2 " (4.5x3.5x3 Cm) Weight: 1.94 Oz (55g)