The Systems POE-INJ-1000-WT High Poe 4 Pair Injector is a black network switch designed to inject power into Ethernet cables, allowing for easy setup and operation of network devices. With a voltage of 6E+1 Volts (DC), this injector is compact, measuring 3.8 x 3.3 x 1 inches, and lightweight, weighing 2.39 ounces. Manufactured by SYSTEMS, INC, this model is reliable and non-discontinued, making it a valuable addition to any enterprise networking setup.