Bestguarder NV-800 7×31 Digital Night Vision Binoculars Infrared Night Vision Scope 400M Viewing Range. This is brand new and has never been used 7×31 with 2 inch TFT LCD 1300ft/400M Viewing Range Infrared IR Camera for Hunting Outdoors. Wide dynamic range, Wide field of view 2. Built-in 2 TFT display, View Large LCD Screen 3. 1300ft /400M viewing range.