This EOTech CNVD-T thermal night vision device is a clip-on, pass-on sight with a tan finish was created for non-magnified close-quarters battle optics, mounts on a 1913 rail in front of an existing optic, and can be used with a day optic. It features a 60 Hz refresh rate, user-friendly menu, and can be used on weapon platforms up to .50 caliber.