Ultra Clear LED Display with 2 Brightness: A large 4 inch digital white LED display with clear numbers allows it easy to see the time remaining. 1.3 inch tall big numbers comes with 2 levels of brightness to meet your different needs. The display would automatically turn off if there is no operation within 5 seconds, saving your worries that you may forget to turn it off manually 3 Levels of Volume Adjustable: Loud alarm (80-90dB) is very easy to hear even when you're not around, Soft volume (60-75dB) is much better when used by kids to protect their hearing. A Mute level (numbers blink) is added for quite demand (Alarm also beep during setting in the Loud/Low volume mode, please set it to Mute level as you need) Countdown and Count Up Time Management: Counting down from 99 minutes 59 seconds to zero, or as a stopwatch count up from 0 to 99:59, makes it a perfect timer for housewives, kids, teachers, students, cooking, skin care, yoga, game, meeting and classroom Place The Timer Wherever You Need: Two strong built-in magnets covered with silicone for a powerful suction and no slip, easily to on any metal directly, or you could hang it anywhere by using the hook, it also comes with a stand for place on desktop Super Easy to Use with Large Buttons: Separate M and S button to set the exact time you need, the SP/ button to start/pause, a CLEAR button is added to makes it much easier to reset. When the countdown ends, you could any button on the top to recall the last time setting, saving your time to set it again. Power Supply:3 x AAA Battery（not include） Colour:White+black Material:ABS Size:9 x 6.7 x 2.5cm Package Contents: 4 x digital timer(not include batteries) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.