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.Resolution: 640x480, 60HzMagnification: 1xField Of View: 17.60 x 13.20 DegreesBattery Size: CR123A/16650Weight: 0.79 lbsFocus Range: 932 Meters