Digital Tube LED Clock with Voice Timekeeping and Automatic Brightness Adjustment Key Features and Benefits: Green digital tube LED display for clear and easy reading at any time of day. Comprehensive clock functions including voice timekeeping, hourly time announcements, temperature display with correction, alarm clock, night light mode, automatic brightness adjustment, date and week display, plus poweroff memory to retain your settings. Light sensor function automatically adjusts display brightness: dimmer during low light conditions such as nighttime, brighter under strong light. For constant brightness, the photoresistor can be shortcircuited. Poweroff memory function with CR1220 button battery ensures time and settings are preserved even when disconnected from power. Convenient USB to 5V power input for easy compatibility with standard USB power sources. Technical Specifications: Singlechip microcomputer: STC15W408AS DIP28 for reliable processing performance. Clock IC: DS1302 DIP8 for precise timekeeping. 32.867 kHz crystal oscillator for stable clock operation. CR1220 button battery used for backup power to retain settings during power interruptions. Tutorial and Setup Assistance: Printed paper manual included for quick start guidance. QR code on manual links to an online guide with stepbystep welding diagrams, detailed assembly instructions, and video tutorials for setting up and calibrating the clock. Practical Applications: 1. Ideal for DIY electronics enthusiasts looking to build and their own functional clock with advanced features. 2. Suitable for use on desks, bedside tables, or workshops where clear, accurate time and temperature readings are essential. 3. for environments where automatic brightness control enhances visibility and comfort, such as dim living spaces or bright offices. Performance and Usability: Night light feature offers soft illumination without disturbing sleep. Voice timekeeping and hourly chime functions make it easy to keep track of time without looking at the display. Temperature display with correction helps monitor room conditions for comfort and efficiency. Automatic brightness adjustment preserves energy and reduces glare, improving user experience in all lighting conditions. This product combines precision timekeeping, versatile display functions, and intelligent brightness control in a userfriendly design, making it a reliable and practical clock for everyday use.