Features: Large Display and Multifunctional:Digital alarm clock with large LED display (6.3 inches x 0.7 ~ 1 inches x 2.3 inches), you can check the time clearly even from far away. Our desktop clock has 5 modes: clock mode, date mode, temperature mode, night mode (on/off), alarm mode. The buttons on the back are very simple instructions, so it's very easy to install! The "colon" between the hours and minutes display will keep flashing Adjustable Brightness:Just press up/down to adjust 3 levels of brightness (bright/medium/low). Also, in night mode, the alarm will automatically dim between 18:00-6:00 (or you can set another time according to your needs). Just press and hold the snooze button for more than 3 seconds to turn off the display, preventing the screen from lighting up at night. (Note: If you use a cable for power, the clock will always be on.) Workday Mode and Snooze Mode:There are 3 alarm clock modes to choose when you need to wake you up at a fixed time: Mon-Fri/Mon-Sun. Just long press "Alarm", then use the "UP" and "Down" buttons to adjust the hour/minute/snooze time/workday mode. Also, press the "snooze" button while the alarm is off, or press any other key to cancel the alarm, to get 1~60 minutes of extra sleep. Voice Control and Power Saving Mode:When powered by battery, you can get an extra feature - Voice Control, which means you can activate the display by making some noises, like clapping your hands, tapping on the table or touching the clock. In addition, the LED alarm automatically turns off after 16 seconds of inactivity, entering power saving mode, but the system still maintains normal timing and temperature and maintains the previous settings. USB & Battery Powered:This bedroom alarm clock comes with a 1 m / 39.37" power cord (AC adapter not included) - very power saving. And it has time memory function when you use AAA battery to charge. LARGE DISPLAY Digital alarm clock with large LED display, which lets you check the time clearly at a glance even it is far from you. MULTI-FUNCTION Our smart clock with 5 mode: clock mode, date mode, temperature mode, night mode (ON/OFF), alarm mode. WORKING DAY MODE & SNOOZE There are 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. ADJUSTABLE BRIGHTNESS Just press UP/DOWN to adjust the three levels of brightness (Bright/ Medium /Low). Besides, the bedside alarm clock will auto dim during 18:00-6:00 when in the night mode, or you can set another periods of time for your need. SAVING POWER The LED alarm clock automatically switches off the screen after 16 seconds of inactivity, saving power and making it easy to operate.