Optics Starlight illumination Day/night functionality SmartIR ,up to 50 m (164 ft) IR distance IR anti-reflection window to increase the infrared transmittance 2D/3D DNR (Digital Noise Reduction) Compression Ultra265,H.265, H.264, MJPEG Embedded smart algorithm Triple streams ROI (Region of Interest) 9:16 corridor format Network ONVIF Conformance Structure Wide temperature range: -35°C to 60°C (-31°F to 140°F) Wide voltage range of ±25% IP67