This is an AC/DC 12 volts power supply for receivers, 12v cameras and transmitters.
It has automatic AC voltage selection from 100-240 volts 50/60 Hz.
Input : 100V-240V 50/60Hz (US prong)
Output : DC 12V 1A
Outer diameter: 5.5mm(outer)*2.1mm(inner)
Length of the cable: 120cm( approx)