Digital Count Up Down Timer Modes: Clock, Countdown Timer, Stopwatch Channels: 4 independent countdown timers Features: Each timer has a unique sound. Counts up when countdown time is reached. Maximum setting: 99 hours, 59 minutes, 59 seconds. Display: LCD with clear digits. Mounting: Stand, magnet, or hang. Applications: Cooking, classroom, laboratory, fitness, beauty, dining, sports, meetings. Operating Instructions: Clock: Hold CLOCK button for 2 seconds to set time. Adjust hour, minute, second. Press CLOCK to confirm. Countdown: Select timer (T1-T4). Set hour, minute, second. Adjust speed by holding keys. Press START/STOP to begin or pause. Stopwatch: Press START/STOP to run or pause. Reset: Press CLEAR to set settings to zero. Specifications: Weight: 86.3g (3.04oz) Material: Plastic Color: White, Gray Size: 84 x 84 x 35mm LCD Size: 54mm x 23mm (2.13in x 0.91in) Power: 2 x AAA batteries (Not included) Package Includes: 1 x Digital Countdown Timer Notes: Only items listed are included in the package. Image colors may vary slightly from actual product due to lighting and display settings. Measurement tolerance: +/- 1-3cm.