Three channel timer with countdown and count up functions, maximum time range to: 99:59:59. You can easily set three different times at the same time, three events easy to exchange by press T1 or T2 or T3. After count down, it will start to count up and flash red light immediately and last for 1 minute. The timer also has a memory function that allows you to set frequently used times so you can quickly and easily use the countdown time again and again.