TV switched off. Small spring noise of switch release.
TV switched off with click
Electronically controlled gas heater, Japan, 2009. Numerous switch on/off versions.
Computer monitor being turned off
old tube radio switch on, off with hum; clock tick in background.
Loud click and clunk of cassette machine mechanism stopping
Flourescent light switched on with a flicker, transformer hum, light switched off
Long single key tone as mobile phone switched off.
Crackling of microphone powering down