It works with PoE - 37-57V is perhaps the voltage of PoE...

The camera is compatible with the Ubiquiti Ultra 60W switch as it is operated via PoE (Power over Ethernet). The Ultra 60W switch supports PoE, which enables the connection. However, please note that the switch requires PoE+/PoE++ or AC power to output PoE.

14,5 cm x 15 cm x 16 cm

The Ethernet cable is not supplied with the Ubiquiti UVC-G5-Turret-Ultra camera. However, the camera has an RJ45 socket for the connection and power supply via PoE (Power over Ethernet).