A7K Transformer

The new A7K Air Ozone Generator model appears like these photos. Note, the front panel is where you can see the difference. The new panel shows three LEDs next to the REPEAT CYCLE button, right under the power button.

Front Panel of the New A7K Air Ozone Generator
Old Version A7K Air Ozone Generator Front Panel
Old Version A7K Air Ozone Generator

The old A7K has been out of production for at least six years. You can see that there is a single LED by the REPEAT CYCLE button right under the power button.

QR Code

Desktop: right click QR code with mouse and choose Share.
Cell Phone: Hold finger on QR code until it shows menu to share.

In most cases, you can also scan the code with another device.