[Battery]: Button cell AG10 x 1
[Weight]: 24g[Function]:1. Simultaneously press the "MIN" and "SEC" keys to display [00 00]2. Press the "MIN" key to set the minute, "SEC" key to set the second (counting this time, please ignore this step).3. Press the "STOP/START" key to start timing. [MIN][SEC] flashes when counting down.4. Press any key to pause the timer.5. After reaching the specified time, it will continue to ring for one minute and press any key to stop ringing.
6. given time range: 100 minutes