DC 48 Volt 3A Power Adaptor
Universal AC input of 100-240V, 50/60Hz
DC 48V output at a current of 3A (3000mA)
providing a maximum of 144 watts of power.
5.5mm x 2.5mm output jack, which is often compatible with the 5.5mm x 2.1mm size, with the center pin being positive (+) and the outer barrel negative (-).
built-in protections against over-voltage, over-current, short-circuiting
use for CCTV security surveillance devices, LED lights, and routers.