All Prices are in US Dollars, GST and Customs Duty may be applicable to your purchase on top of the advertised price. Quick Overview: Clip On Night Vision System 1080P FHD Sony STARVIS CMOS Sensor 0.4-Inch Panel, 3.69 Million Dots, 60 fps Refresh Rate Daytime color mode, Night vision mode Long Eye Relief (up to 70 mm) Built-in FHD video recording, slow motion mode available Powerful Built-in IR Illuminator 328 Yards Clear Nighttime Viewing Range Durable, Waterproof Housing, High Shock Resistance Diopter Adjustable, Focus Adjustable Samsung Original 18650 Battery 2 Years Warranty This unit fits scope with parallax adjustment. Fixed parallax scope can only work with NV100 in specific distances (100yds for example) at specific magnifications.