Hello Dan,
Thank you for writin in.
The item you mention do have multimeter and measurement board.
They can only receive wireless signal from each other, which is unable to receive WIFI signal.
For more question, please let us know.
Best regards.

Hello Doug McRae,
Thank you for writing in.
To find out solution, could you please let us know more detail about your requirement?
Do you mean you want a buck convertor?
Best regards.

Hello Harry,
Thank you for writing in.
Could you please take some pictures to show this different potentiometers?
W104 should be for voltage regulation, W204 is for current regulation.
If you don’t know how upload picture heer, you can send them to our service email:
service#droking dot com ( please replace # with @)
Look forward to your reply.
Best regards.

Hello Lars Lindmark,
Thank you for your writing in.
We are sorry we can’t ensure the item you mention.
Could you please send us the link of item?
Best regards.

Hello James,
Thank you for your reply.
Actually, we suggest it have better not to refit the item.We can’t ensure whether something wrong in that case.
Have yor try to use the item before refitting it? Does it can work normally?
Best regards.

Hello William Scully,
Thank you for writing in.
We are not sure if the following item that you mention.
200193

Best regards

Hello Lewis W Alexander,
Thank you for writing in.
We are sorry for any inconvenience caused you.
To find out solution for you, could you please send us some picture to show how you connect it?
You can send them to service # droking dot com(please replace # with @)
And please let us know more details about other parameters.
For example, the input voltage/current, the load and etc.
Please don’t worry, we will solve your problem at that time.
Best regards.

Hello Sheldon,
Thank you for writing in.
Could you please tell us more detail about your requirement?
For example, the measure range for voltage& current, the power supply and other parameters.
Look forward to your reply.
Best regards.