[12~56V DC Input] - The 2 ports PoE injector support 12~48V DC and 24~48V AC Input and boost to 48V PoE++ output. It will solve the problem that you only have 12V or 24V centralized power supply. | [802.3at/bt PoE Output] - The PoE++ inejctor with 2 PoE output Ports, supports IEEE802.3at PoE (30W) and IEEE802.3bt PoE++(90W). It can connect 2 device at the same time. | [Small Size] - The 2Ch Gigabit PoE Plus Injector housing size is 3.93x2.76x1.18in, it don’t need large room to install. | Industrial Grade Quality - The Industrial 90W PoE adapter use industrial grade components and aluminum housing, it can work at wide range temperature -40°C to 75°C (-40°F to 167°F). You can use it in outdoor harsh environment. | [Din-Rail & Wall Mount] -The Gigabit PoE Injector come with 35mm Din-rail Clip and Wall mount accessories.