Optics Day/night functionalityOptical glass window with higher light transmittance IR anti-reflection window to increase the infrared transmittance Up to 30 m (98 ft) IR distance 3D DNR (Digital Noise Reduction) Compression H.264/MJPEG Triple streams 9:16 corridor mode Network ONVIF Conformance Structure Support PoE power supply(optional) Wide temperature range: -35°C to 60°C (-31°F to 140°F) Wide voltage range of ±25% 4 KV surge protection designed for network interface IP66