Where is the serial number?

[BRODEY1]

I need the serial # to register my UDM for the warranty, I don't see it? Where is it located? Thanks!

[cajunfirehawk]

Not sure on the unit itself but on the bottom of the BOX, top rh corner, lil white sticker...just registered mine too, thanks for reminding me.

[Carbon Blue]

if I remember correctly you have to take the backing plate off and inside the grey housing is a white sticker with a number on it. Hopefully that helps!

[BRODEY1]

I'll check both, thanks!