Useage: for gas cooker, gas stove, gas oven, Time range: 15/30/60/120 minutes. Time ... tolerance:5% Bell ring time:3 second Gas stove/oven timers, It can be used on gas oven, gas ... cooker, gas stove. when time is over, it will ring. SpecificationTime range: 15min ... 10.8KGS MEAS. 31X31X20CM 1500CTNS/1X20" Mechanical timer for gas stove, gas cooker, gas oven