2 Alarms with Snooze Function The alarm clock features two separate alarm times. You can set two alarms in one day to help manage your schedule. The snooze function provides an additional 5 minutes of rest. Simply press the snooze/light button located on the top of the alarm clock. The snooze cycle will repeat until you press another button. USB Charging and Built-in Battery The alarm clock comes with a USB charging cable for power supply (adapter not included). It has a built-in battery to retain clock settings during power outages. Please connect to a USB port or use only a 5V/1A or 5V/2A adapter to charge the device. Temperature Display and Brightness Adjustment This digital alarm clock includes a temperature display. You can switch between Celsius and Fahrenheit using the UP button. While charging, the LED screen remains on and automatically adjusts brightness across three levels depending on the time of day. The large LED display provides clear visibility and automatically dims from 10:00 p.m. to 6:00 a.m. Manual brightness adjustment is also available. Voice Activation The LED display lights up when sound is detected or when the 'SNOOZE / LIGHT' button is pressed. Clap, tap, knock, or make a sound above 90 dB to activate the light. The display turns off automatically after 6 seconds. 13 Alarm Tones with Adjustable Volume This is a silent (non-ticking) alarm clock. Choose from 13 different alarm sounds with adjustable volume. Use the "+" or "-" buttons to adjust volume during alarm setup or when the alarm is sounding. Time display supports both 12-hour and 24-hour formats.