auto-snapshot
nounUK /ˌɔːtəʊ ˈsnæpʃɒt/
US /ˌɔːtoʊ ˈsnæpʃɑːt/
A picture your device takes by itself without you pressing the button.
My phone took an auto-snapshot when I smiled at the screen.
RELATED WORDS
OTHER MEANINGS
2. A saved copy of a computer's state made automatically at set times.
The system keeps an auto-snapshot every hour so nothing is lost.
3. A quick automatic record of data taken at a certain moment.
The app makes an auto-snapshot of your progress each day.
4. A feature that captures an image automatically when something happens.
The doorbell's auto-snapshot caught the cat walking by.