Aideepen | DC002 4 Digit LED Clock DIY Soldering Kit DC 5V Adjustable Brightness Power Off Memory Time Date Week Alarm For STEM Learning

Features:1. Powered by a DC002 socket and equipped with a CR1220 battery holder for automatic time memory retention in case of power loss2. Four-digit ceramic-filament LED display with a soft, warm amber glow; adjustable screen brightness3. The complete set of plug-in components is easy to assemble; the components are moderately sized, making it beginner-friendly and ideal for soldering practice4. Features an integrated display mode showing the year, month, day, and day of the week, as well as an alarm; once assembled, it serves as a practical desktop digital clock5. Suitable for school science and technology training, parent-child crafts, maker gifts, and as a decorative accent for bedside tables or desksProduct Specifications:Supply Voltage: DC 5VPower Socket: DC002Battery Holder: CR1220 (battery not included)Note: The battery features a power-off memory function. Once the time and date are set upon startup, they will continue to run as default even if power is lost. For example: If the power goes out at 10:00 AM and returns at 3:00 PM, the time and date will continue to run, and you won’t need to reset them when you turn the device back on.Instructions for Use:After assembly, power on the device: The two dots in the center of the time display will flashPress the S4 button to cycle through functions:Press the S4 button once to display the month and datePress the S4 button twice to display the day of the weekPress the S4 button three times to display the yearPress the S4 button four times to display the time set for the last alarmPress the S4 button five times to return to the time screenS1 is the adjustment button:Press S1 once to make the hour flash; press S2 to decrease; press S3 to increasePress the S1 button a second time to make the minutes flash.Press the S1 button a third time to make the month flash.Press the S1 button a fourth time to make the date flash.Press the S1 button a fifth time to make the day of the week flash.Press the S1 button a sixth time to make the year flash.After entering the alarm settings screen, press S2 to decrease and S3 to increase.Press the S1 button an eighth time to access the alarm minutes settings screen.Press S2 to decrease, S3 to increase.After setting, press S1 to confirm and exit, returning to the time screen.S5 adjusts brightness—increases brightnessS6 adjusts brightness—decreases brightnessPress S1 a seventh time to enter the alarm settings screen: the hour will flashProduct List:1x Digital Clock DIY Kit (Shipped as unassembled parts; customers must solder the components themselves. Batteries are not included.)