Easy Operation Clock with Touch Button- Intuitive touch adjustment button, easy for kids, old people and seniors do not experience any stress when setting the clock. The simple brightness adjustable design allows you to adjust the screen brightness by easily rotating the dial. Large illuminated LED numbers ensure the time is easy for people to see Time, temperature and humidity detection: Large mirror LED screen can display time in 12/24 format; Clock also built-in temperature and humidity sensor, it can monitor indoor temperature with or display; It is not only a clock, but also a great indoor thermometer for your room Dual alarm with snooze function: clock allows you to set 2 alarms for different personal uses with snooze function, it allows you to set 0 to 30 minutes of extra sleep time; The big touch button helps you easily turn off the buzzer, you can adjust the snooze time according to your sleeping habits, really suitable for heavy sleepers USB Charging Port - The alarm clock designed with a USB charger port provides the convenience of safely charging your phone or other device while you sleep Power cord operated with memorized battery backup - This clock works with the included USB power cable with a US adapter. 3 AAA batteries (NOT included) required to store time and alarm settings in case of power outage. With backup battery power source only, the screen will go blank and only light up for 10 seconds by pressing the light button.