It's a rebranded Vision Security device (they were also sold by GE/Jasco as a 4101, Honeywell and others). Here is the manual:
If the reset does not work, try unplugging, then pressing the button for at least 30 seconds to drain out any residual power. Then to reset, press the button and hold; while holding, plug it into the outlet, and continue holding for more than the 10 seconds directed - try 15 or see if any lights flash.
Another post indicates these need load on them to reset - I'd try that last.
This is a later version of the device, but might help:
ETA: This might also help - similar but slightly different process - the exact process may depend upon which version of firmware yours have:
https://www.reddit.com/r/homeassistant/comments/1h62768/jasco_zw4101/
