Round Led Electronic Clock, Minimalist Creativity, Embellishing Life, Numbers, Multi-Function, High Brightness, 4-Digit Led Display, Led Display Is Convenient For Reading Clock Function: Display Hour And Minute, And Can Realize 12/24 Hour Conversion. Date Function: Display "Month" And "Year" (2000 - 2099). "",Alarm Clock Function: Daily Alarm Can Be Set And Switched; Temperature Function: Display Fahrenheit Or Celsius Temperature, And Can Be Switched. The Normal Measurement Range Is -10C-5C (14-122F); Mode Selection: Press The Hour/Month Key To Switch Between Dp-1, Dp-2, And Dp-3 Modes; Brightness Adjustment Function: Press The Min/Date Key To Select The Brightness Adjustment, L-01, L-02, L-03. Turn Off The Screen. Automatic Brightness Adjustment Function: 18:00-7:00 Led Brightness Will Automatically Decrease. With A Built-In Photoreceptor, The Led Light Will Automatically Adjust The Brightness According To The Surrounding Brightness; Automatic Brightness Adjustment Function: 18:00-7:00 Led Brightness Will Automatically Decrease.Typical Working Voltage: 5v Dc Power Supply, With Power-Off Memory Function. The Working Temperature Of The Product Is 0-50; Smart Light: When The Room Is Dark, The Soft Backlight Of The Clock Will Automatically Turn On, Which Is Convenient To See The Time; This Alarm Clock Has A Hanging Hole Design, Which Can Be Hung As A Wall Clock. Set Up As A Desk Stand That Can Also Be Placed On A Desk As A Desk Clock. Category:Alarm Clock Whether Double-Sided:Single-Sided Display Type:LED Display Type:Digital Power Supply:DC 5V Function:This Is For Plug-In Use, And The Built-In Button Battery Is Used To Synchronize The Memory Time After Power Failure Note:Connect the data cable to the digital display to display the color Type:B:With Jumping Seconds Colour:White & Red Material:ABS+Plastic Size:307x307mm,Thickness:15mm Package Contents: 1 * Wall Clock 1 * Chinese And English Manual 1 * Data Cable 1 * Case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.