1. IoT-Enabled Time Synchronization & Customizability - Uses an ESP8266 module to automatically update time via WiFi for accurate synchronization. - Display color and brightness are adjustable: high/medium/low/adaptive brightness and randomly changing color for personalized aesthetics and viewing comfort. 2. Versatile Display & Functional Features - Digital display shows time, date, day of the week, and temperature at a glance. - Supports 12-hour and 24-hour formats. - Three customizable alarms and four selectable alarm tones for practical use and personalization. 3. Energy Efficiency & Convenience - Powered by a 5V DC power supply; typical current about 250 mA, startup up to 500 mA. - USB power supply enables portability and use anywhere with a power source. 4. DIY Assembly & Teaching Value - Hands-on DIY kit that requires soldering and assembly, with detailed instructions. - Front-side components are already soldered; only the back-side elements need soldering. - Ideal for electronics enthusiasts and teaching purposes, helping develop technical skills and understanding of circuit board elements. Use scenarios: - Bedside clock with automatic time sync, adjustable lighting, and alarms to simplify morning routines. - Living room or desk display for time, date, and temperature, with alarms to support daily schedules. - Classroom or hobby project for learning soldering, electronics assembly, and circuit basics.