ATN X-Sight 4K Pro Smart Day/Night Rifle Scope comes with Ultra HD 4K technology with Superb Optics, 120fps Video, 18+ hrs Battery, Ballistic Calculator, Rangefinder, WiFi, E-Compass, Barometer, IOS & Android Apps. Ultra HD Sensor - Ultra HD 4K Sensor with our Obsidian 4 Dual Core Processor brings you cutting edge technology with higher resolution, faster optics, and millions of vivid colors. Ballistic Calculator - Hunt responsibly by making sure your shot hits the target each and every time. Range, Wind, Multiple-Weapon Profile, Angle to target, Temperature, Humidity, Plus more. Helps you determine exact ballistics for expert long-range shots. Dual Stream Video Recording - X-Sight 4K PRO not only Streams Video to your mobile device at HD resolution and can simultaneously Record to the SD card inside.