button-activated
adjectiveUK /ˈbʌtən ˈæktɪveɪtɪd/
US /ˈbʌtən ˈæktəveɪtɪd/
Something that starts working when you press a button.
The button-activated toy lights up when you push the red button.
OTHER MEANINGS
2. A device that turns on by pressing a button instead of a lever.
The button-activated door opened with a soft beep.
3. A feature that responds to a single push of a button.
This button-activated alarm is easy for kids to use.
4. Describing a machine that needs a button press to begin.
The button-activated fan started as soon as I tapped it.