- Material: aluminum alloy / acrylic / ABS 2. LED digital display, rotation adjustment, volume adjustment, and memory function 3. Simple and easy to operate, convey the knob setting timer can be operated with one hand 4. Cultivate the concept of time, plan the time reasonably, and improve the learning efficiency 5. Small volume, large screen, mirror digital display, a small and light timer can be clearly seen during both day or night 6. Efficient timing and easy rotation; seconds are set in 5 seconds for quick adjustment. the elderly and children can easily use it 7. Durable, and can be scheduled 1,000 times in the backlight state 8. Humanized design, not affecting others, three volume reminders, in order to adapt to the volume needs of different environments 9. Fixed method: magnets / desktop placement 10. Use mode: rotary knob rotation 11. Use: kitchen helper, children study, beauty time, the elderly take medicine 12. Power supply mode: 3 x AAA batteries (product without batteries) 13. Dimensions: 78 x 78 x 27.5mm 14. Weight: 89g