[FM Radio and Sleep Timer] Frequency range: 87.5-108MHz, you can easily find your favorite radio frequency. In addition, with a sleep timer (15-90 minutes), you can listen to your favorite radio frequency before falling asleep. [Customized alarm clock] The dual alarm clock with the functions of weekday (Monday to Friday), weekend (Saturday to Sunday) or daily (Monday to Sunday) can meet most needs of your family members. Seven kinds of ringtones can meet all your needs. You can choose your favorite radio frequency as the alarm. With the snooze function, you can sleep for another 9 minutes. [Dual USB charging ports and backup batteries] In the socket power supply mode, the dual USB charging ports can charge mobile phones, tablets or other 5v electronic devices. In the battery powered mode, the clock can work continuously when you travel with 3 * AAA (not included). [Level 6 adjustable brightness] In the battery power supply mode and power cord mode, press the SNOOZE/DIMMER button to adjust the brightness (0-20% - 40% - 60% - 80% - 100%). In battery operation mode, the LCD screen will automatically turn off before pressing any button to wake up the screen, which is to save battery energy. [Temperature detection12H/24H] It can timely detect the indoor temperature. Celsius and Fahrenheit units may be used. Both 12H and 24H modes are available.