Browse the forum on Digi Cabi dry cabinet and many are conern about the de-humidifier unit whether how it look like. Some comes with one green LED. Some come with 2 LEDs; one green and one red. Anyway, the latest should look like the one as below.

I here by just purchased a Digi Cabi AD-050 from Digihub only last week and below is how my de-humidifier unit look like. I have called Digihub and confirm that this is the latest so far.
Hope it is useful. Thanks for viewing.