Feature Highlights: 1. Multi-Function Display – Shows date, weekday, time, temperature, and alarm settings clearly on a 4-digit nixie tube screen. 2. Smart Microcontroller Design – Powered by a 5V DC supply and programmed with a dedicated timing chip (DS1302) for accurate timekeeping, temperature sensing, and music alarms. 3. User-Friendly Controls – Adjust all settings like brightness, alarms, and hourly reminders with just two buttons. Includes a backup battery to keep time during power outages. 4. Versatile Alarm Options – Choose from four different melodies for your wake-up or reminder alarm. 5. Easy to Power & Use – Comes with a USB to DC power cord for simple plug-and-play operation. Suitable as a ready-to-use desk clock or a hands-on DIY soldering kit. Product Details: This multifunctional digital clock combines practical daily use with learning value. It clearly displays month, day, weekday, hours, minutes, seconds, and real-time temperature. With features like music alarms, hourly chime reminders, adjustable brightness, and power-off memory, it’s both handy and reliable. Perfect as a stylish desktop accessory for home, office, or school—and also ideal for electronics enthusiasts or university training kits as a soldering practice project. Specifications: - Name: Multifunctional Digital Clock DIY Kit - Power Supply: DC 5V (USB powered) - Display: 4-digit nixie tube (blue font/green & transparent case) - Main IC: DS1302 timing chip - Functions: Time/date/week/temperature display, alarm with 4 music options, hourly reminder, brightness control, power outage memory - Materials: PCB + electronic components + acrylic case - Package Includes: 1 × Electronic Clock DIY Kit, 1 × Transparent Case - Note: Slight color variations may occur due to lighting or screen differences. Measurement tolerance: ±1–3 cm.