Item Type: Digital Timer Material: ABS Battery: 2 x AAA battery, shipped without battery. Package List 1 x Digital Timer 1 x User Manual 1Memory Function: This timer supports countdown and up counting from 1 second to 9 hours, 59 minutes, and 59 seconds. After the timer countdown ends, press the ST SP button and return to the last set time. 2Various Modes: High volume mode of 8090dB, low volume mode of 6075dB, mute and flash mode, and vibration modes. 4 reminder modes can meet the needs of different scenarios such as fitness, kitchen, classroom, meeting, nap, and gaming. 3Easy Operation: 2 level brightness and power saving mode. You can switch the brightness of the LED digital timer between high or low light according to the day and night, making it easier for you to read. After setting the countdown, you can enter energy saving mode and the screen will close after 10 seconds. 4Multiple Usage Scenarios: There are 2 circular magnets behind the alarm clock, a retractable bracket, and a foldable hook, which can be hung on a table, magnetically fixed to the refrigerator door, and so on. You can put it anywhere you want. 5Convenient Carrying: Comes with a compact size and a light weight as well, the LED digital timer is very convenient to carry for both indoor and outdoor use.