FLIR Systems, Inc. With the FLIR H-Series Bi-Ocular thermal imager, the tactical advantage is yours. Able to detect a human-sized target more than two kilometers away, the H-Series Bi-Ocular also reveals targets in total darkness, through smoke, dust, and light fog, as well as through light foliage and camouflage. Download a FLIR H-Series Bi-Ocular brochure at www.FLIR.com/Biocular.