Ideal for my seats

I bought especially for my new seats this voltage monitor. I have the equipment bought extra because the cut-off voltage seems to be quite high. So I thought it is ensured that no lags long to pull the seat heater if I forget sometimes the plug. Well what to say - this is exactly the case! My Zigarettenazünder himself permanently voltage even when the ignition but the actual voltage limiter switches the connected consumers so far reliably when the engine is not on.
I do in the engine - the LED stops flashing on Spannunsgwächter and goes to continuous light - then the seat heater is warm. Am I doing the engine off - the LED is switched seats remain for about 1 minute and then switch to flash (undervoltage detected) - It then noted also that the seat heater does not heat up. Incidentally, this is also quietly clacking hear a relay.
So for me this is Spannungsgwächter therefore exactly the right for my Einsatzzweck- therefore 5 Stars.
However, I beg to clarify other buyers beforehand whether the voltage monitor to be connected to your equipment fits -da eg the max. Amperage otherwise possibly exceed -. With all the associated risks.