The Jockey 640 easily mounts in front of your existing 1-6x day scope with no additional zeroing required, working flawlessly with most optics under 5x magnification. The Jockey's compact and lightweight design keeps your favorite .223/.556, rimfire, airgun, or crossbow nimble and responsive. This unit boasts the high-performance ArmaCORE 640 thermal core, fast 60Hz frame rate for smooth operation and industry-best, outstanding visual acuity, based on Armasight's Iron Wolf thermal technology platform. An extensive suite of features includes video and image capture, USB video stream, USB-C interface for viewing your recordings and photos on external devices such as computers or televisions. The Jockey 640 offers multiple color palettes, intuitive simple 3 button controls, a quick detach mount, and long battery life.