(1) For the Ring doorbell network, see
Ring LLC.
(2) A hidden video camera housed in an engagement ring box, introduced in 2013. With the box is opened, the camera turns on and captures the marriage proposal and reaction for posterity in high definition.
Captured Forever!
The Ring Cam lens is not obvious (red arrow), and the prospective bride is given a double surprise: the proposal and her never-to-be-forgotten reaction. (Image courtesy of Ring Cam.)