Feature: 1. Temperature Display: This LED digital wall clock supports temperature display, automatically detecting temperature for easy viewing. 2. Alarm Function: This LED digital wall clock provides alarm function, and three alarm modes are suitable for different needs. 3. Sound Control: This LED digital wall clock adopts sound control design, supports auto sleep in peaceful environment, low power consumption. 4. Auto Brightness: Enter the night mode, the brightness automatically dim. Enter the day mode, the brightness automatically brightens. 5. Energy Saving: This LED digital wall clock with unique and multifunctional design energy saving, suitable for home, office and school. Specification: Item Type: Digital Wall Clock Material: ABS Voltage: 5V Battery: 1 CR2032 Button Battery (Battery Not Included) Temperature Range: 0℃-50℃ (32℉-122℉) Date: January 1, 2000 - December 31, 2099 Product Size: Approx. 22.5 x 9 x 4.2cm / 8.86 x 3.54 x 1.65in Weight: Approx. 228g / 8.04oz. Package List: 1 x Digital Wall Clock (Battery Not Included)1 x User Manual1 x USB Cable