Review on ⏲️ Enhance Lab Efficiency with the Sper Scientific 810038 Talking Lab Countdown Timer by Jessica Shakman

This is not one of those disposable timers you see everywhere. I've only used one of these timers in the science lab and classroom for at least 25 years. It has also been used from time to time in the kitchen and as a holiday alarm clock (as an alarm clock you have to count down the hours that have elapsed until you want to wake up). Intuitive control and versatility. I don't remember ever changing the battery. You can choose from a variety of sounds and it's loud enough. Not cheap but worth every penny.