I've got 2 of these that I got when I bought a couple of LED fixtures from a person who was upgrading his LEDs. I've never used them and don't know anything about them but there's instructions on the web.
I'd like $20 for the pair.
Here's link to them at Amazon:
https://www.amazon.com/Hydrofarm-Outlet-Grounded-Digital-Programmable/dp/B001BPOBTY
I'd like $20 for the pair.
Here's link to them at Amazon:
https://www.amazon.com/Hydrofarm-Outlet-Grounded-Digital-Programmable/dp/B001BPOBTY