[Big Screen Display]- 5.5inch High Resolution Digital Alarm Clock clearly spells out the time, date, temp. Illuminated LED digits it's clear enough to see the time in the distance. [Adjustable Alarm Brightness]- 6 Brightness Levels from 5% to 100%, no need to worry about the brightness is too high to affect your sleep or too dark to read the time. [Adjustable Alarm Volume]- Adjustable Alarm Volume with 8 sounds can be set from 30-90 DP as person preference. Easy snooze with a simple press of the top button to get an extra 9-mins nap. [Easy operate]- It is an easy operated alarm clock with features large clear display, 12-hour / 24-hour, indoor temperature, easy for kids, seniors and the elderly, experience zero stress when setting the time and alarm. [Outlet Powered with Battery Backup]- Plug in to power the clock with the included usb data cable. The 3 * AAA batteries (not included ) preserve time and alarm settings in case of power outage. During the backup battery, the clock will automatically turn on power saving mode, the screen will go blank press any button of it. Colour:white Material:ABS Size:13.5 x 3.5 x 10cm Package Contents: 1 x digital clock 1 x usb cable 1 x User manual 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.