Function: shut power when time is end, as parts of oven Material: metal and copper Life:10000 ... be used on gas oven, gas cooker, gas stove. when time is over, it will ring.SpecificationTime range: 15min, 30min, ... 18:00 to 20:00 every day. The mini setting time is 15 minutes.5) Kitchen timer: it is 60minutes ... timer, when time is end, it will ring. it can be used ...