Brand Original Design and Good Visual Experience Wall Clock Our Brand new original Led Wall Clock The ultra-thin border makes the numbers display is very huge which are different from the other LED wall clocks in the same size. More than a traditional clock, this has many functions such as alarm, ultra-long countdown, count up, calendar, thermometer. We've adjusted each function go give consumers a good experience. Large Display Timer and 8-Level Adjustable Brightness Control Count Down:Up to 364 days 23:59:59 (Hour:minute:second).Greater than24 hours,clock shows days.Greater than 60 minutes,the clock displays hours:minutes.Less than 60 minutes,clock shows minutes:seconds.Count Up:Timing up to 99:59:59 (Hour:minute:second).Greater than 60 minutes,the clock displays only hours:minutes.Less than 60 minutes,the clock displays only minutes:seconds.Auto Light Sensing Mode：There are 142 LED lights in the clock and provide sufficient brightness in the daytime. At night the automatic dimmer will adjust the appropriate sleep brightness, will not disturb you to sleep. It also ACTS as a night light at its lowest brightness, so you won't in the dark when you are get up at night.8 Levels Of Manual Brightness Adjustment：The automatic dimmer automatically adjusts the brightness of the clock according to the ambient brightness, saving you the steps of manual operation. 8-level adjustable manual brightness can be operated by remote control, choose the brightness according to your need. This clock is powered by a 10ft power cord and cannot be powered by batteries. Recommended to install a CR2032 button cell battery , which can ensure that the clock can still maintain accurate time after the power is turned off.Batteries are not included due to shipping policy，thanks for your kind understanding. Power Supply Option The clock has a USB socket and supports global voltage, so you can plug the clock into adapter(included), laptop, power bank(we don't' recommend for this option), other devices can power via USB. Ultra-thin Border Original Design This is the brand original ultra-thin border design. The border is only 0.79-inch and thinner than most wall clocks. It is the best decoration clock in any place, whatever home or bedroom, office or gym room. 12/24 Hour Display Mode Just one key to switch the 12 or 24 hour display mode. Simple and easy, according to your needs and preferences. Whatever mode is very clear and visible. Specification: Dimension: (L×H×W):44.7×2×16(cm)/17.6×0.79×6.3(inch) Net/Gross Weight: 1.80lb / 2.62lb Material: LED lights + ABS plastic Time: 12/24 hour display mode Countdown: Support countdown for hours, minutes and seconds, up to 365 days countdown Count Up: Start from 0 seconds and up to 99 hours Alarm: Up to 16-group Brightness Control Level: 1-8 adjustable levels; can be switched to auto dimmer Power Supply: AC adapter Clock's Backup Battery Type: Button cell CR2032(not included because of shipping policy) Remote Battery: Button cell CR2025/CR2032(not included because of shipping policy) Package: 1×Led Digital Wall Clock; 1×Adapter; 1×User Manual; 1×Remote Controller