- IoT time synchronization and customizable display: an ESP8266 module automatically updates time via WiFi for accurate clock time. The display color and brightness are adjustable, with brightness options high/medium/low/adaptive and randomly changing color for personalized aesthetics and viewing comfort. - Versatile display and features: digital display shows time, date, day of the week, and temperature at a glance. Supports 12-hour and 24-hour formats. Includes three customizable alarm clocks and four selectable alarm tones, enhancing practicality and personalization. - Energy efficiency and convenience: powered by a 5V DC power supply with an average current draw of 250 mA and a startup current up to 500 mA. The USB power supply enables portability and use anywhere with a power source. - DIY assembly and teaching value: hands-on DIY kit requiring soldering and assembly, with detailed instructions. Front-side elements are already soldered; only the back side needs soldering. Ideal for electronics enthusiasts and teaching, helping users develop technical skills and understand circuit board elements. - Use scenarios: - Home or office desk clock with automatic time sync, alarms, and temperature display for daily routines. - Dorm room companion with USB power, portable setup, and customizable lighting for personal space. - Classroom or hobby project for hands-on soldering practice and circuit board learning, useful as a teaching tool or maker activity.