Product picture - Dahua Technology Ultra Series DH-TPC-SD8420N-B25Z30 Hybrid Thermal & Optical PTZ Network Camera with 25mm Thermal Lens Dahua, Technology, Ultra, Series, DH-TPC-SD8420N-B25Z30, Hybrid, Thermal, &, Optical, PTZ, Network, Camera, with, 25mm, Thermal, Lens Click the image to close this page