Features:4-LED digital display, easy to read the timeTime function: display hour, minute and display time 12h/24hDate function: show the month, date and year (from 2000 to 2099)Alarm function: toggle the rear switch and select the alarm mode, set the daily Alarm and snooze timeTemperature function: can display the temperature in °c/°f, measuring range: -10°c - 50°c (14°f - 122°f)Mode selection: press the hour/month key to change the three modes: dP-1, dP-2, dP-3Power saving: press the MIN/date key to turn on/off the power saving function (display onSd if it is on, display oFSd if it is off)Night mode: the screen will automatically go to low brightness from 18:00 to 7:00 memory shutdown function: remember the time in case of sudden power off, no need to reset the time when reconnected to the power supplyThere is sound, when buttonsIC working temperature: -10°c - 50°c Specification:Material: ABS + electron component Product size: 18.7*9.8*4.5cm Working voltage: DC 5V Power supply: external power sourceColor: black coating + green | Black coating + white | Black coating + red | White Coating + Green | White coating + red | White Coating + WhiteNote: Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color change for different display settings. Thank you for your understanding, have a nice day! Package Included:1 x Digital Alarm Clock1 x Charging Cable