QiYi speedcube timer
You have to be perfectly prepared for the competition!
This also applies to starting and stopping the timer, since it is seconds.
If you're tired of measuring your time on your mobile, it's time to try speed cube Timer. This one from QiYi has an elegant black and blue design and is resistant to stronger impacts. It is supplied with plastic screws with which you can attach the timer to the mat. If you are going to a competition, you will definitely appreciate such a timer.
The power supply is 2x 1.5V AAA. Batteries are not included in the package.