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 Jockeys compact and lightweight design keeps your favorite .223/.556, rimfire, airgun or crossbow nimble and responsive. This unit boasts a fast 60Hz frame rate for smooth operation and industry-best, outstanding visual acuity, based on Armasights Iron Wolf thermal technology platform. 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; multiple color palettes; intuitive simple 3 button controls; long battery life; four hours of video memory; uses 2 x CR123A or a 16650 battery; Battery Status Indicator; ULTEM Composite Body and Ergonomic Design and reticle ON/OFF selection. Includes QD mount, USB-C & USB cable, thermal zeroing target, batteries, lens cloth, soft case and product manual. Recommended for daytime optics with 1x-6x magnification.