Option 1: Check the side of the box that the POINT came in.
Option 2: Separate the POINT from the base adapter and read the sticker.
Option 3: Make sure it reads Gross : Press and hold the PLAY/PAUSE button and the ZERO button both for 5 seconds.
ON/OFF PLAY/PAUSE STOP ZERO
Option 4: Take a picture of the startup screen after rebooting POINT