Features: This 3 in 1 device combines RJ45 converter, 48V, and voltages booster to deliver stable power conversion from 12V to 48V for uninterrupted networking performances. Crafted with aluminum housing, the 3in 1 functional unit integrates POE power supply, voltages boosting, and Ethernet conversion while feature overloading/short circuits protective. Ideal for remote workers, networking administrators, and outdoors enthusiasts requiring reliable power solution for networking equipment in challenging environment. Perfect for home offices, motorhomes setups, and locations where stable fast speed internet connection demands efficient power management through POE connection networking configurations. Streamlines your networking installation with this space saving 3 in 1 function device that eliminates cable clutter while ensuring secure 48V power. Specifications: Component: Aluminum + ABS Size:Approx.48x84x22mm/1.89x3.28x0.86inch Operating temperature ranging: -20 to +55 ℃ Storage temperature ranging: -40 to +70 ℃ Package Includes: 1 Set 3 in 1 Networking Booster note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.