@Wayne-TP Wow, that's a huge variation! So, I can't use it for my 800W dehumidifier. :( Similar energy monitor smart plugs will have similar restrictions? Or what should I look for? I was thinking...

(1) Other than the power (wattage) rating, is there any resctriction on the type of connected appliance? I first want to use with a 50 pint 800W dehumidifier (Frigidaire FFAD5033W1). Is it safe to...