The Cambium N000900L001C PoE Gigabit DC Injector (4-pack) designed to provide 15W of output at 30V. This model is specifically manufactured by Cambium in China. The 4-pack comes with cords included, making it convenient for users to set up and use in their networking setups. Ideal for enterprise networking and server applications, this DC Injector is a reliable and efficient solution for powering various devices.