Yes, it works from a command prompt.

 
C:\Strawberry\wkhtmltopdf\bin>wkhtmltopdf /temp/test.html /temp/test.p
+df
Loading pages (1/6)
Counting pages (2/6)
Resolving links (4/6)
Loading headers and footers (5/6)
Printing pages (6/6)
Done
Exit with code 1 due to network error: ProtocolUnknownError
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