Description: Colorful Large Display & Multi-function: Digital alarm clock with large LED display (6.3"x0.7~1"x2.36"), which lets you check the time clearly at a glance even it is far from you. Our desk clock with 5 mode: clock mode, date mode, temperature mode, night mode (ON/OFF), alarm mode. The buttons on the rear are very self explanatory, so it is very easy to set up! The "colon" between the hour and minute display flashes continuously Adjustable Brightness: Simply press UP/DOWN to adjust the 3 levels of brightness (Bright/ Medium /Low). Besides, the digital alarm clock will automatically be dim during 18:00-6:00 under the night mode (or you can set another period of time for your need). Just press and hold the snooze button for more than 3 seconds to turn off the display to prevent the screen from lighting up at night while sleeping. (NOTE: If you use a cable for power supply, the clock will always be on.) Working Day Mode & Snooze: Our digital desk clock, which have 3 alarm modes to choose when you want it to wake you up at fixed time: Monday to Friday/Monday to Saturday/Monday to Sunday. Just long press "ALARM", and then use the "UP" and "DOWN" buttons to adjust the hour/minute/snooze time/working day mode. In addition, you can get 1~60 minutes of extra sleep by pressing the "SNOOZE" button when the alarm goes off, or press any other key to cancel the alarm. Voice Control & Power Saving Mode: When Powered by battery, you can get a extra function - voice control, which means you can activate the display by make some noise like clapping your hands, rapping on the table or touching the clock. In addition, the LED alarm clock will automatically turns off after 16 seconds of no operation and enters power saving mode, but the system still keeps normal timing and temperature and maintains the previous settings. USB & Battery Powered: For this digital clock for bedrooms, coming with 1meter/39.37inch power cord (AC adapter is not included)- very good for battery saving. And it comes with time memory function when you charge by AAA batteries.(When powered by USB alone, there is no time for memory function after power off). NOTE: Only powered by USB cable, the screen can be stay on and without memory function. This alarm clock with a time memory function when using AAA. Specification: Type: 6.5 Digital Alarm Clock Material: ABS Plastic Shell Color: Black Shell Words Color: Colorful Words Display Interface Colors: Black Interface or Mirror Interface Display Size: 16 x 6cm / 6.3 x 2.4in Brightness Adjustment: Automatically or Manual Time Format: 12 / 24 Hour Switchable Snooze Duration: 1-60 Minutes Temperature: -10~50 / 14F~122F Temperature Mode: / F USB Charging Port: 5V Power by: 3 x AAA Batteries(NOT Including) or USB Cable 5 Keys: Modes, Alarm, Up, Down, Snooze / Light Product Size: 16cm x 6cm x 1.8-2.5cm / 6.3in x 2.4in x 0.71-0.98in Weight: 170g Package Included: 1PCS X Digital Clock 1PCS X USB Cable