The Soluna Light Alarm Clock from La Crosse Technology features 5 light modes with 20 unique color options, ensuring there's a glow for every day and mood. Illuminate your bedroom with your favorite solid color, a vibrant color gradient, or cycle through all of the color options at the touch of a button. Use the Comfort Meter Mode to help achieve an ideal sleeping environment, and the Guided Breathing Mode to help you unwind and relax. Soluna also offers Morning & Evening Modes, which simulate the rise and fall of the sun to help you reset your natural circadian rhythm and wake up feeling recharged. Color-changing glow light with 5-light modes and 20-color options *Morning: wake up to Natural soft glowing light *Evening: fall asleep peacefully to a gradual dimming light *Guided breathing: 3-color palettes to choose from to help you relax or to aid in your breathing exercises *Comfort meter: colors change based on current ambient humidity levels Backlight with 4 intensity levels + OFF with Auto-Dim feature Natural Light and/ or ascending Melody Sound alarm Daily/weekday/weekend alarm settings options for both Light and Sound alarms Programmable snooze: duration is set in 5 minute increments, up to 120 minutes USB charging port (1 Amp max) Indoor temperature and humidity Calendar with full weekday 1.3 -inch digits in 12 hour time view 4 language options (ENG, SPA, FRE, GER) Corded electric operates with included 5V AC adapter and (includes) CR2032 battery backup