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 (connects to 2.4 GHz Wi-Fi networks only; 5 GHz networks are not supported). Three alarm settings; each alarm can be independently enabled or disabled. Double-click the SET button to enter alarm setting mode. Requires a 5V power supply via USB cable; compatible with mobile phone chargers, computer USB ports, TV USB ports, power banks, etc. If the display is abnormal or unstable, the power supply may be insufficient—replace the power source. 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: The package includes only the items listed above. Other products are not included. Note: Lighting and screen differences may cause slight color variations between the image and the actual item. Measurement error allowed: ±1–3 cm.