automatic power-off tool

noun

UK /ˌɔːtəˈmætɪk ˈpaʊər ɒf tuːl/

US /ˌɔːtəˈmætɪk ˈpaʊər ɔːf tuːl/

A tool that turns itself off when you are not using it.

The automatic power-off tool saved electricity by shutting down the heater after an hour.

SYNONYMS

auto-shutoff device self-stopping tool auto-off gadget idle shutdown tool

RELATED WORDS

timer energy saver sleep mode power management sensor

OTHER MEANINGS

2. A software feature that closes a program after a set time of inactivity.

Enable the automatic power-off tool in the settings to close the app after ten minutes.

3. A safety mechanism that cuts electricity to a machine when it overheats.

The automatic power-off tool stopped the drill before it could overheat.

4. A device that switches off lights when no motion is detected.

The automatic power-off tool turned off the hallway lights after everyone left.