Fangrui Product Details Multiple Power Supply Options:supports Dc 6-36v And Poe Power Supply, Offering Flexibility In Powering The Device. Wide Voltage Range:supports A Broad Dc 6-36v Input, Making It Suitable For Various Power Supply Scenarios. Modbus Gateway And Mqtt Gateway:equipped With Modbus And Mqtt Gateways, Facilitating Easy Integration With Various Industrial Protocols. Versatile Serial Interface:features Rs232/485 And Wifi/ethernet Interfaces, Enabling Seamless Data Acquisition And Iot Gateway Functionality. Ubuntu Server Ftp Install|free Server Hosting Ark|industrial Grade Metal Case:robust Metal Case Ensures Durability In Industrial Environments, Supporting Wall-mount And Rail-mount Installations. Due To Different Batches, There May Be Differences In Product Appearance, Color, And Printed Text, Which Will Not Affect The Use. Specification:a:poe Network Port Colour:as Shown Material:abs Package Contents: 1 X Serial Server Kit Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection