The new item, TA435 thermal imaging Clip-on, is designed for both hunting and observation. For hunting, Clip-on is a thermal imaging attachment adding thermal imaging capability to your riflescope without re-zeroing or adjusting shooting position. With it, your riflescope can be used at both daytime and night, even in severe weather. Assembled with an eyepiece, Clip-on turns to be a thermal imaging monocular. This compact,lightweight and multifunctional device is a new choice for thermal imaging enthusiast.