You can replace the thermocouples with any standard K-Type thermocouple connectors, also support other types of thermocouples, J/T/E/N/R-type. 2 K-type Thermocouple.
For a cheap multimeter it's packed with features. Auto Range is great for the less knowledgeable of us. Perfect for low voltage DC work which is what I’ll be using it for. I personally wouldn’t risk using it on mains voltage.