Alarm Clock, Digital Clock, 3 Brightness Levels THREE BRIGHTNESS LEVELS - The alarm clock radio allows you to adjust Bright/Medium/Dim mode to meet your needs at any time.You can do the setting to reduce the brightness to a comfort level. TEMPERATURE HUMIDITY SENSOR - This loud alarm clock radio can read datas of temperature and humidity of your living environment with real-time monitoring which helps you judge what to wear to prevent you from wearing wrong clothes.The bedroom clocks is a good helper in your life. THREE GROUPS OF ALARM SETTING - This alarm clock is able to set 3 groups of alarm time, and it beeps at the right level so it wakes you up but doesn't feel like it's World War III.Make sure you will not miss every important date/meeting/party etc. DUAL POWER SUPPLY - The usb alarm clock is equipped with USB cable and backup baterries(not included).USB port is recommended to used in your daily life, which is more eco-friendly and convenient.The clocks for living room decor prvents you from a sudden power shortage.Besides,you can use 4*AAA bacterries when you are outside or without usb power supply. HOME DECOR & PRESENT FIRST CHOICE - Modern appearance and clear led display are absolutely qualified as unique gifts and home decor office.We support 100% refund or replacement for quality problems within 3 months.