Description Holosun HS403B Red Dot Sight The HS403B is a 20mm micro optical sight designed for rifle and carbine applications. Features include 12 brightness settings, Holosun’s Super LED with up to 50K hour battery life, and 2 MOA Dot. Includes lower 1/3 co-witness and low profile mounts. Features 2 MOA Dot Reticle Up to 50,000 Hours Battery Life (Setting 6) 12 Brightness Setting: 10 DL & 2 NV Compatible Convenient Tray Battery Compartment Parallax-free & Unlimited Eye Relief Shake Awake Technology Auto-Shut Off Super LED Technology Multilayer Coated Lens Specifications Optical Data Reticle 2 MOA Dot Light Wavelength 650nm Reticle Color Red Parallax Free Yes Unlimited Eye Relief Yes Magnification 1x Multi-Coatings Yes Electronic Data Power Source Battery Battery Type CR2032 Battery Life (Hours) 50 000 Brightness Setting 10 DL&2 NV Physical Data Window Size 20mm Diameter Dimension (in) 2.45×1.43×1.6 Weight (oz) 2.82 Mechanical Data Housing Material 6061 T6 Aluminum Surface Finish MAO Adjustment per Click 0.5 MOA W&E Travel Range ±50 MOA Environment Data Storage Temperature -40℃~70℃ Working Temperature -30℃~60℃ Submersion IP67 Vibration 1000G
