Fangrui Product Details Iot-enabled Time Synchronization Customizability: Adopts An Esp8266 Module To Automatically Update The Time Via Wifi, Ensuring Accurate Time Synchronization. The Display Color And Brightness Of The Clock Are Adjustable, Offering High/medium/low/adaptive Brightness And Randomly Changing Color For Personalized Aesthetics And Viewing Comfort. Versatile Display Functional Features: Equipped With A Digital Display, You Can See The Time, Date, Day Of The Week, And Temperature Clearly At A Glance. Supports Switching Between 12-hour And 24-hour Formats. Features Three Customizable Alarm Clocks And Four Selectable Alarm Tones, Enhancing Practicality And Personalization. Energy Efficiency Convenience: Operates On A Low-voltage 5vdc Powersupply With An Average Current Draw Of 250ma, Supporting Maximum 500ma During Startup. The Clocks Usb Powersupply Makes It Portable And Easy To Use Anywhere With A Power Source. Diy Assembly Teaching Value: It Is A Hands-on Diy Kit That Requires Soldering And Assembly. The Elem