HIKVISION™ DS-2TD4136-25 Thermal & Optical Bi-spectrum Network Speed Dome is applied to perimeter defense and fire-prevention purposes in critical infrastructures such as: airport, railway, prison, power station, 4S stores, and so on. The pre-alarm system helps you discover unexpected events immediately and protects you from property loss. CMOS 1/1.9" sensor with progressive scan for visible, and Vanadium Oxide Uncooled Focal Plane Arrays for thermal. Optical resolution at 60Hz: Up to 1920x1080, and 384x288 for thermal resolution. 36X optical zoom (16X digital) Min. Illumination: Color: 0.002 Lux @ (F1.5, AGC ON). B/W: 0.0002 Lux @ (F1.5, AGC ON). Visible field of view: 58.7°x2.0° (5.7-205.2mm varifocal lens). Aperture range: F1. 5-F4.5, thermal field of vision: 15° x 11° (25 mm lens). 0 Lux with IR. 200m IR distance. Supports 4 types of VCA rules (line crossing, intrusion, region input and output of region), 10 scenes and 8 VCA rules for each scene, supports 3 types of temperature measurement rules, more thn 256 presets as scene, 21 rules of each scene (10 points, 10 regions and 1 line). Alarm: Up to 7 channels Actions: Predefined / patrol scanning / Pattern scanning / SD card recording / Relay output / Intelligent capture / FTP upload / E-mail link. Range of temperature for analysis: -20° C to 150° C. Accuracy of the detected temperature: ± 8° C. Fire detection: detects up to 10 points of fire. Hi-PoE / 24VAC power supply. Supports H.264 video compression (Baseline / Main / High Profile) / MJPEG / MPEG4, and audio (input and output) G .711u / G.711a / G.722.1 / MP2L2 / G.726 / PCM. Working temperature: -40° C to 60° C. IP66 protection.