Timer is a lite addon that let you easily setup multiple alarms, timers or stopwatch for yourself. Simply open toolbar popup UI and then choose a desired tab. The first tab is for alarm adjustment. Simply click on the - add a new alarm - button to view the settings page. Then, add a name for the alarm and adjust date, hour and minute and at the end, click on the - save change - button. Please note that, if you want to "repeat" the alarm weekly, please click on the - repeat weekly - button. There are also five different sounds available to choose from. For timer and stopwatch, please perform the same procedure mentioned above for alarm.