Material:ABS Size: 6.7*6.7*2.4cm/2.6*2.6*0.9in Weight: 82g/2.89oz Product mode: 12/24 hour display mode, alarm clock mode, timer mode. Alarm snooze range: 5-60 minute setting Timer setting range: 99 minutes 59 seconds Power: 2 AAA batteries (batteries not included) Function: 4 reminder modes (sound + vibration + backlight, sound + backlight, vibration + backlight, backlight) can meet your use on various occasions without disturbing others. In alarm clock mode, you can set a snooze time from 5 to 60 minutes, no need to open your eyes and press the snooze button, just shake it. Long press the S/S key to turn off the device, and all settings will remain unchanged after power off. Long press this button after power on to save all the settings used last time. The timer can be set freely from 0-99 minutes according to your habits. The system automatically saves the settings and on next use it defaults back to the last settings. If you need to change the time, press this button to manually reset it. Easy to use, four-sided flip-up display, clockwise reverse clock, custom timer for n any minute, 5 minute timer, 25 minute timer, all timing starts or pauses are achieved by shaking the product, the whole process has no button. , eliminating your need for tedious setup time. Package includes: 1 * Multi-Function Timer