[Simple Operation & Handy Nightlight] Set-up and adjusting the time/alarm is a snap! Controls are mostly on the back of the digital clock and are well marked, making use very intuitive even without the instruction sheet. Built-in a nightlight is handy when you need something in the dark but don't want to turn on a lamp. Two levels of nightlight brightness are available (High/Low). [Compact Size with 1.4inch LED Display ] This digital light alarm clock is with large 1.4-inch red LED display. It is easy to read at day or night for the elderly. Large digits display and adjustable brightness will provide your a clear view at dark. [Integrated USB port] This USB digital alarm clock is Integrated USB port, It can charge your other devices with USB charging port, like your smart phone, tablet , etc . Reading, charting by nightlight and charging other smart devices by USB charging port design. [Adjustable Display Brightness] The display brightness of bedroom alarm clock with nightlight can be easily adjusted from 0 to 100% , offering a better view effect to you. Two levels of nightlight brightness are available(High/Low). [Battery Backup] This alarm clocks for kitchen office home is with backup battery. To power the clock, just plug the power cord into a standard US 120V outlet. in two AAA batteries(not included) for backup in case of a power outage. For battery backup , alarm and time settings are retained and the alarm will still work. 1. 1.4 Red LED display 2. 12-hour system 3. Input: powered by AC plug (120V) 4. Output: 1A USB charging port 5. 9 minutes delay 6. The alarm sound lasts for 8 minutes 7. Alarm volume Hi is 90 dB, Lo is 65dB 8. 0-100% screen brightness for selection 9. Level 3 night light brightness 10. The backup power supply is 2 AAA batteries (not included) size:154x85x56mm Material:ABS colour:Black Package Contents: 1 x Ala Clock Only the above package content, other products are not included. Note: Light 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.