Kithen timer/smile kitchen timer. Technical Data: 1.Environment Temperature Of Use:-10oc +55oc 2.Operating Direction:Clockwise 3.Operating Torque:≤0.45N.m 4.Timing Range:60 minutes 5.Operating Angle:360o 6.Ring Time:3-5 Seconds Operating Procedure: 1.Rotate to the end use clockwise,id est on 60 minute. 2.Rotate to your need time use anticlockwise,like 25 minutes,id est rotate to the 25 minute. 3.Arrival the time,the bell will ring itself.