An unbranded drum pad trigger. Works as it was tested with my friend’s Roland kit. However it didn’t work with the drum kit it came with as a replacement part. My DD400 kit uses mini mini jacks and this wasn’t triggering the sounds when used with an adapter. It was tested with my friend’s Roland drum kit and it worked fine. Sold as seen as I can’t guarantee it will be compatible with your brand of drum module. It’s pretty much unused though - clearly the previous owner sold the kit when they realised this wasn’t correct for it.