Athlon 210143 Cronus ATS 35CL-640 Thermal Clip-On w/LRFThe Athlon Cronus ATS 35CL-640 Thermal Clip-On with LRF 210143 is an advanced thermal clip-on device designed to elevate your daytime riflescope with superior thermal imaging and precision range finding. It features a 640x480 resolution and a 12µm thermal sensor, providing exceptional image clarity and a sensitivity rating of Athlon Cronus ATS 35CL-640 Thermal Clip-On w/LRF 210143