CUSTOM WAKE-UP OPTIONS: Choose from vibration, audible alarms, or both with adjustable intensity settings to suit your personal preference. SUPER LOUD AND ADJUSTABLE VOLUME: Rotary knob allows you to adjust the alarm volume from a gentle 60db to a powerful 113db, ensuring you wake up no matter how deeply you sleep. DUAL ALARM FUNCTION: Set and manage two alarms for different wake-up times, making it perfect for couples, families, or busy mornings. LARGE DISPLAY WITH NIGHT LIGHT: Features a 1" large display with adjustable brightness and includes a night light with a dimmer to suit your nighttime needs. USB CHARGING PORT AND BATTERY BACKUP: Conveniently charge your devices with the USB port, and enjoy peace of mind with an optional battery backup (2 AAA batteries not included) for power outages.