great working controls for little money. do not let the low price think they don't work. they do !!
they work great on my heated glove liners, which i use snowmobiling. i like that hey have several heat settings and seem to heat the liners faster than the controllers that i used to buy for 39.99
they have indicators likes for the different heat levels.
order soon, they do take a few weeks to get. I bought 8 of them so i have them for years to come.
Used it in a small Dynaco stereo 80 rebuild with MX 40 output boards..Good sound, clean with no issues so far.. Added a Darlington circuit to further regulate the DC flow.