Whousewe Countdown Count Up Adjustable Classroom Review

[Shortcut Key Setting & Memory Function] Easier to operate than most on the market! Top button design for quickly setting 5/10/15/30 min in 2s; up to 99 min 55-sec countdown and 99 min 59-sec count up. For next use, the timer will keep the last use setting. [High DB & Adjustable Volume] Three-level adjustable alarm are: loud (90-100db), medium(70-80db) and silence. (Note: The volume data is obtained by testing in a silent laboratory). Loudly alarm will last 3 minutes, provide sufficient response time. [Large LED Display & Adjustable Lightness] The large 3.2-inch display can see the number ultra-clear from 23-32 feet away easily. There are three brightness levels to choose. Auto dormant after 9s of no operation, saving the batteries and extending endurance. [Premium Materials & Mechanical Rotation] Whousewe timer made by Aluminum alloy+ABS+PC, high-quality guarantee. The combination of electronic and mechanical better enjoy the convenience of technology and the beauty of machinery. [Magnetism Suitable for Multiple Occasions] Kitchen digital timer with 2 magnets on the back, you can stick to the classroom whiteboard, fridge, or another steel place. You can also pull out the stand or place it directly on a flat surface. [Customer Service] Whousewe is committed to providing the best service to our customers. If the timer doesn't turn on properly, please replace the battery with another one to try. If there are any questions about our timer, please feel free to contact our 24-hour online customer service, we will try our best to address for you.