Features: 【Efficient Power Management】Supports national standard 48V 250W power output, ensuring stable simultaneous operating of multiple devices. 【Broad Compatibility】Features a 16+2 port configuration, accommodating diverse networking devices for effortless connection to computers, printers, security cameras and more. 【Robust Metal Enclosure】Constructed from premium metal, delivering exceptionally durability and thermal dissipation. Compared to plastic casings, 【Intelligent Control】Embeds advanced management technology to optimise networking data transmission speeds. 【Plug-and-Play Design】Not requires complex configuration; rapid installation enables immediate deployment. Specifications: Component: metal Size: standard rack size, suitable for a variety of installation environments Support National standard 48V power supply Option：16 ports + 2 Power over Ethernet ports/ 24 ports + 2 Power over Ethernet port Supports 250W output Supports IEEE802.3af/at standard, providing stable networking connection and efficient data transmission Suitable for corporate office, security monitoring, smart home, to meet the simultaneous power supply needs of multiple devices Package Includes: 1PC Power Switcher 1PC Power adapter (48V 2A) 1PC Power cord (national standard plug) 2PCS Installation bracket s 4PCS M6×15mm stainless steel screws 1PC Chinese-English bilingual user manual note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution