noun
off timer
A timer that automatically turns off an electrical device at a set time. Often contrasted with 入タイマー (on timer).
See also: 入タイマー
エアコンに切タイマーをセットして寝る。
I set the off timer on the air conditioner and go to sleep.
このヒーターには切タイマーが付いていますか?
Does this heater have an off timer?