The Sennheiser NT 12-5 CW+ is a universal power supply used to power an EW-D EM wireless receiver.

The unit accepts any input voltage from 100 to 240 VAC (50/60 Hz) and supplies 12 VDC at 500mA.

The NT 12-5 CW+ comes with three AC plug adapters (for US, UK, EU), so you can travel with it in nearly every country in the world.