8-bit digital tube network clock. Automatically switch time, date and temperature display. Automatic Wi-Fi time adjustment; automatically calibrates the time every hour after successful network connection, with time error not exceeding 1 second (supports 2.4 GHz Wi-Fi networks only; 5 GHz Wi-Fi networks are not supported). Three sets of alarm clock settings. Each alarm can be independently enabled or disabled. Double-click the SET button to enter alarm settings. Requires a 5V power supply via USB cable; compatible with mobile phone chargers, computer USB ports, TV USB ports, power banks, etc. If display issues occur, insufficient power supply may be the cause; replace the power source if necessary. Color: Transparent, Green, Black Material: PCB + electronic components + acrylic Size: 158 x 55 x 27 mm (assembled dimensions) Package Contents: 1 x Wi-Fi network clock kit with shell (shipped in bulk) Note: Light reflection and screen differences may cause slight variations between the product color in images and actual color. Measurement error allowed is +/- 1-3 cm.