Once it is on windshield, it is "on." Even tried dental floss as shown on YouTube,no go. Be sure you place it where you "really" want it on your shield.
Great recording and viewer but it is going to stay there.
Looking myself for the "suction cup" dash cam since lost my Xterra to red light runner a few weeks ago. Couldn't get the holder off the windshield. The best to you.