Product details:

Filters unwanted noise, hum and buzz coming in on the ground line! Place Humno between gear power (inlet or input) and power cable. LED Power on indicator. Suitable for 100V to 240V, 50Hz to 60 Hz, max current draw 6 Amp. Not a ground lift! The Humno for the Power Line side of the equation and the Hum Eliminator for the Audio Cable side of the equation. Having these two devices in your toolbox will allow you to solve 90% of the hum & buzz issues you will encounter.Filters unwanted noise, hum and buzz.
Place between gear power (inlet or input) and power cable.
Not a Ground Lift.
LED shows that Humno is working.
Maximum recommended current draw 6 Amps.
Suitable for 100V to 240V, 50 Hz.