Weatherproof signal input/output (-30 to +60 °C / -22 to +140 °F; IP65). Connection of external sensors and switching of external devices via MOBOTIX cameras; RS232 interface, connection to camera using USB or MxBus.- 2 self-powered inputs for connecting sensors- 2 outputs: 1 powered output, 1 isolated relay output (can be switched to second powered output)- RS232 interface when using MOBOTIX USB cable to connect to camera- Not for Basic models