Dual Alarm Snooze FunctionDual alarm with 5 alarm sounds. You can also choose the light alarm clock with radio or buzzer. The alarm sound starts softly then increases extremely loud. 10 Minutes Snooze Function. Define weekend mode can let the alarm clock never ring during the weekend. Digital FM Radio Sleep timerFM radio mode can choose from 87.5MHZ to 108MHZ. Comes with an antenna for better signal reception. Easy tuning into FM radio channel with adjustable volume from 0 to 16 levels. Function sleep timer lets you fall asleep in 90-75-60-45-30-15 minutes. Two USB Port Clock radio has two USB charging ports which can charge two electronic devices at the same time (When the clock is battery powered, it cannot charge other devices and earphone the radio ) (1 x 2.1A, 1 x 1.1A). Multifunctional 12/24H setting The LCD display shows the room temperature (C or F), alarm time, current time and date. 6 levels of LCD display dimmer adjustment 100% to 0% screen brightness fully adjustable for a comfortable viewing. Power Modes NOTE: If you need English instructions, please contact us. It is recommended to use the power adapter to power the clock. 2 AAA batteries (not included) cannot provide the alarm clock works During a power outage, the battery has a time memory function. Only alarm and time settings are saved when the battery is running.