A LED clock DIY set for you to weld an electronic clock of your own. Using high-brightness LEDs, the display size is larger and clearer. 4 brightness modes and a variety of display modes can be set. Support for measuring and displaying the current temperature, and with temperature correction, and temperature unit switching function. Three sets of independent alarm times and four sets of alarm songs can be selected. All support daily ringing, Monday to Friday ringing, and Monday to Sunday ringing, to meet different needs. With power failure memory time and error correction function. Convenient to learn and understand the production principle of digital tubes, suitable for electronic enthusiasts. Features: Large LED Digital Tube: With the use of high brightness LED digital tube, the display is bigger and clearer. Supports the display of time, temperature, date, and week. Easy to use, LED has been welded. In combination with the housing, can be more intuitive to the observation of the digital tube structure principle. You can choose one of the following four colors: red, green, blue, and pinkcolor. Multiple Display Modes Adjustable: Multiple display modes can be set: (1) time display only; (2) cyclic display of time and temperature; (3) cyclic display of time, date, and week; (4) cyclic display of the time, temperature, date, and weekday. 12/24-hour system can be switched, with the time error compensation function. Temperature Measurement: Support to measure and display the current temperature, with temperature correction function. And the two temperature units of and can be set. (Note: Because the product itself generates heat, will affect the accuracy of temperature measurement, the greater the brightness, the greater the impact). Brightness Mode Adjustable: A total of 4 adjustable brightness modes are designed. The adaptive brightness mode, low brightness mode, medium brightness mode, and high brightness mode can be adjusted according to your usage needs. In the adaptive brightness mode, the brightness of the clock automatically changes according to the ambient light intensity. Alarm Clock Function: Three sets of independent alarms, four alarms to choose from. All support daily ringing, Monday to Friday ringing, Monday to Saturday ringing to meet different needs. With alarm function (can be closed). DIY Kit with Complete Accessories: This product is a DIY kit, with complete accessories, you need to weld and assemble it by yourself. Includes a passive buzzer for music playback, a thermistor for sensing the ambient temperature, and a photoresistor for automatic brightness adjustment. Used for learning and understanding the manufacturing principle of digital tubes, suitable for electronics enthusiasts, etc. Specifications: Name: Clock DIY Kit Material: printed circuit board+elements+plastics LED Color: red, green, blue, and pinkcolor (optional) Battery: 1 * CR1220 button battery for power failure memory (NOT included) Power supplying: USB 5V Item size: 165 * 50 * 21mm / 6.50 * 1.97 * 0.83in Item weight: 112g / 3.95ounce Package size: 165 * 80 * 50mm / 6.50 * 3.15 * 1.97in Package weight: 120g / 4.23ounce Packing List: 1 * Clock DIY Kit