Shell Material: PlasticMovement: ElectronicDisplay: LEDDisplay: NumbersAppearance: SquareFunction: Alarm ClockStyle:fashionColor: White, Blue, Black, PinkSize: 73.5*73.5MMWeight: 70GBattery: AAA BatteryFeatures:1.1 Seconds To 24 Hours Countdown, With Clock And Memory Function2. With Sound, It Can Be Turned On Or OffThat Is, It Can Be Silent With Flashing Light,Operation: Press The "reset Key" In Time Mode To Switch The Sound On And Off.3. It Has A Power-off And Power-on Function. Press And Hold The "Start/Stop Button" For 3 Seconds In Time Mode To Power Off, And Press The Start/Stop Button To Power On. The Settings In The Power-off And Power-on Will Not Be Cleared.4. Equipped With 2 Sets Of Alarm Clock Functions Per Day, The Alarm Clock Can Be Turned On Or Off, With Snooze Mode5. The Countdown Has A Memory Function For The Last Setting6. In The Time Mode, There Is A Function Of Locking The Hours, Minutes And Seconds Keys To Prevent Accidentally Pressing The Time.Package Included:1*Timer (battery Not Included)