About this item Premium design: Excellent LED backlit screen design and compact size for easy portability. It also has a foldable stand and a magnetic suction function for easy placement. Manage Time, Manage Life: We can use this digital timer when reading, cooking, jogging, working, and more. As a better timing tool than a smartphone, it keeps us focused on what we are doing to let us advance our plans and optimize our daily productivity. A well-time-managed life balances our work, living, and play, keeping us healthy physically and mentally. USB Rechargeable Battery: No need to frequently replace batteries; this daily timer adopts a convenient USB rechargeable design. The built-in 650mAh lithium battery can continuously work for 5.5 days with 8 hours of everyday use, which is 20% longer battery life than the first-generation INKBIRD timer. It only takes about 100 minutes to charge it fully. Count-up/Count-down Timer: The operation knob on the timer has multiple functions, and we can set a timer within a minute. It supports count-up and count-down, two timer modes to help us manage time better. Using a timer while working can help us focus on what we are doing and ignore all distractions that may spoil our thoughts at work. Mute/Low/Medium/High Alarm Volume: In addition to three adjustable alarm volumes, Low/Medium/High (V1/V2/V3), this multi-functional timer also supports mute mode (V0). The number on the screen will flash when the timing is complete, and there will be no alarm. Better than others, it is also suitable for quiet scenes such as a library or office.