Usage Tips:1.: Four colors are a group, including blue, pink, white, and green. ABS plastic shell, not easy to break and long use time; LCD large screen display, the numbers are clearer Plastic buttons, not easy to get dirty, have a strong touch. Safe and non-toxic PC.2.SCOPE OF APPLICATION: The small timer is powerful. It is used to set lunch break time, study, beauty, sports, meeting, cooking time, etc. It can remind you on time, so you have no worries.3.DESIGN: There is a stand behind the timer, which can be placed on any flat place at will; with adsorption magnet, it can be attached to the refrigerator at home, on iron-containing objects; the big bell mouth, the sound is clearer; the hidden hanging hole is convenient for storage.4.SPECIFICATION AND USE: When the timer display is not clear or the sound is weakened, replace the AAA battery. Slide open the battery door, take out the battery, distinguish the positive and negative poles of the battery and put it in, then push the battery door back to its original flavor. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.