... night auto converting. It own audio, alarm, RJ45, SD card, WiFi and so on interfaces. This camera use perfect waterproof housing ... capture and two-way talking.Built-in SD card slot, support SDHC card.Water and Dust Resistance: IP66.Support protocals: ... channel MIC input,External accessAudio Output1 channel linear outputStorage InterfaceSDHC card supports video storage and image snapping; SD2.0 standard ...