| Clue | Source | Date |
|---|---|---|
| Garage door device | Newsday | 08 Dec 2019 |
| Device on an automatic door | USA Today | 27 Jul 2017 |
| Device on an automatic door | ||
| Photocell | ||
| Door-controlling sensor | ||
| One might set off an alarm | ||
| Garage door gadget | ||
| Garage door gadget | ||
| Sensor | ||
| One sensitive to light | ||
| Surveillance tool | ||
| Sensor of a sort | ||
| Surveillance tool | ||
| Automatic door device | ||
| Magic door opener. |