SPECIFICATIONSBrand Name: NONEDiameter: 32Display Type: DIGITALForm: Single FaceFunction: Touch SensingHigh-concerned chemical: NoneIs Smart Device: NoLength: 140Material: ABSModel Number: LMANMotivity Type: DigitalOrigin: Mainland ChinaScreen Type: LEDShape: SQUAREStyle: Modern StyleType: Alarm ClocksWeight: 250Width: 55Product picture Features:.LED display time, date and temperature.Calendar range: January 1, 2000 to December 31, 2099.2 groups of alarm functions.Temperature range: -9 degrees Celsius to 50 degrees Celsius.Three display modes.Working voltage: DC5V or 3 AAA7# dry batteriesInstructions:First use.First plug in the power plug, the device will start automatically, about 8 seconds, after the start, it will display as time.Open the battery cover again, according to the battery polarity mark, insert 3 AAA7# dry batteries, and close the battery coverTime, calendar, temperature view.After power on, the LED displays the time, tap the "TIME" button, you can switch to view different items, in order: time-calendar-temperatureTime, calendar settings.In the time display mode, press and hold the "TIME" button for more than 3 seconds to enter the time and calendar setting. In the setting mode, the content of the setting item will flash and display the prompt, single press the + or-key to set the value, long press The + key or-key can quickly adjust the value. In the setting mode, single press the "TIME" key to switch to the next item..Time setting item sequence: time system (choose 12-hour system and 24-hour system)-hour-minute-year-month-day-exitAlarm on and alarm time setting.Press the "ALARM" key to turn on or turn off the alarm