Hello, everyone!
I have definitely updated my product by now. I have placed some of the newest versions of my product onto my website. You can visit it at "Mr.Wu's 3D Printer Corner | 3D Printer Auto off | Ender 3 | Canada (wuyukun3dprintersupply.net)" to find out more info about the those versions of this device.
I have also placed this product on sale on Amazon in the following page:
"Sustainable Solution: 3D Printer's Auto-Off Switcher: Amazon.ca: Industrial & Scientific"
I will also present you an article about this device:
"A 3D Printer Auto-Off Switcher « Fabbaloo"