Representing the latest advancement in thermal imaging technology the ATN TICO-Series thermal clip-on gives your daytime scope thermal imaging capability in a matter of seconds. The ATN TICO-Series mounts in front of a daytime scope to enable thermal vision in day or nighttime operation. No shift of impact no need to rezero nor change of eye relief occurs. The ATN TICO-Series uses advanced thermal technology for outstanding resolution and performance. Precision optical alignment is essential for any front sight system to work properly.