Size is approx: 10.2 by 5.4 by 1.7cmAdditional product info: It is a magnetic kitchen timer that can be easily attached to the refrigerator or other surfaces! It comes with countdown and count-up functions. The touch panel design makes it easy to clean quickly.[Product Specifications]Set Time: Countdown/Count-up from 1 second to 99 minutes and 59 seconds in one-second incrementsAlarm: Approximately 60 secondsBattery: 2 LR44 button batteries (sold separately)Operating Temperature Range: 0C to 50CBatteries are sold separately.