Perimeter protection function, based on intelligent algorithm: line crossing, intrusion, region entrance & exit Temperature exception alarm for fire prevention Fire detection smoke detection algorithm 640 × 512 resolution 17 ?m, VOx UFPA, NETD ? 35 mK (25 °C, F# = 1.0) Image processing technology: Liner, histogram, and self-adaptive thermal AGC mode, DDE, 3D DNR thermal channel supports EIS, conflicted with intelligent function