Simple to UseJust flip to a particular side for pre-set desk timers, done! No need to press button over and over when you need the standard 1, 5, 10, 25, 30, 60 minutes. You can also set the preset time according to personal need. (2 of the AAA BATTERIES NOT INCLUDED) Dual Timing ModesThe hexagon timer offers countdown and count-up modes. Apart from the 6 preset countdown and custom countdown, you can start count-up mode by placing the timer bottom up, and stop it by standing the screen up. The timer range is 00:01 to 99:59. Easy timer setup for maximum comfort. Suitable for Various ScenariosThe digital timer is a perfect tool for office, work, meetings, kids, study, reading, workout, cooking, and more. Needless to say, this timer can be used in thousands of scenarios! Mute & Adjustable Sound AlertSimply flip the work timer over to the front screen to pause the countdown. To resume the countdown, just flip it again. Set the sound to your desired level of volume, and choose from mute and adjustable sound alert. More options, more convenience. Compact and MagneticIt's portable and fits in any pocket or bag. The timer has a magnetic top that can attach to the fridge or any metal surface, freeing your hands while tracking time. Start Track of Your TimeScreen facing up and slide the switch to the silent mode or ring mode, the screen will light up. Then WAIT 5 SECONDS to flip it and start tracking your time. If the preset time on the productivity timer is not what you want, you can press "M+'' or ''M-'' to add or subtract minutes. After the countdown starts 5 seconds, the minute adjustment function will not be available. Specifications: Color: Black, White, Silver (Optional) Material: ABS+PCB Reminder Duration: 15 seconds Six-sided Fixed Countdown: 1min, 5min, 10min, 25min, 30min, 60min Countdown Time Adjustment: 1 ~ 99min adjustable Power Supply: 2 * AAA batteries (Not included) Item Size: 75 * 65 * 65mm / 2.95 * 2.56 * 2.56in Item Weight: 83g / 2.93oz Package Weight: 100g / 3.53oz Package Size: 8.3 * 7.3 * 7cm / 3.27 * 2.87 * 2.76in Package List: 1 * Hexagon Digital Clock Timer 1 * User Manual (English)