Connector A: RJ45; Connector B: M12 D-code 4pin Male Used to connect M12 devices used in industrial Ethernet and Fieldbus applications IP68 rating ensures protection from liquid moisture and fine particulates Cable Length:1M /3M/5M/8M/10M available(other length you need,you can contact us to customize.) Applications: Industrial Ethernet ,Fieldbus ,Device level connectivity, Factory automation ,Process industry application