Light-sensing function: the display automatically dims when it detects low light conditions at night. Large-screen display shows time, date, temperature, day of the week, formaldehyde, carbon dioxide, and TVOC. Remote control function: comes with a remote control for convenient operation of the LED clock. Countdown function: supports countdown up to 23 hours, 59 minutes, and 59 seconds. Specifications: Name: LED Digital Clock Material: ABS Display: LED Shape: Rectangle Power supply: Plug-in Functions: Time, date, temperature, day of the week display on the same screen, timer, countdown Formaldehyde detection, carbon dioxide detection, TVOC detection Brightness: 3-level brightness adjustment + automatic light sensing Control: Remote control Font Color: Blue Case Color: Black Suitable Locations: Living room, bedroom, office Package Contents: 1 x Alarm Clock 1 x USB Cable 1 x Remote Control Note: Light reflection and differences in display screens may cause slight variations in the color of the item shown in the image compared to the actual product. Measurement error allowance is +/- 1-3 cm.