wide temperature metal casing 1Gbps PoE to USB-C Converter，Designed to adapt to a wider range of application environments, this product features a sturdy metal casing with fixed mounting holes and a flat design that saves installation space. It can operate in environments ranging from -20 °to 55 ° C for extended periods of time. The assembled cables have fixing screws to prevent them from falling off and loosening during long-term use. There are two different power models available to customers, IEEE802.3AF and AT.