Overview In stock. The JERRY-C5 is a clip-on thermal imager that mounts in front of a PVS-14 style monocular or a BNVD-1431 MK2 or PVS-31 style binocular and lays a thermal image over the night vision picture. Image intensification gives you resolution and depth; thermal tells you what is warm. Run the two together and a person or animal s