Product picture - Dahua Technology Ultra Series DH-TPC-SD8420N-B50Z30 Hybrid Thermal & Optical PTZ Network Camera with 50mm Thermal Lens Dahua, Technology, Ultra, Series, DH-TPC-SD8420N-B50Z30, Hybrid, Thermal, &, Optical, PTZ, Network, Camera, with, 50mm, Thermal, Lens Click the image to close this page