The Soluna S Light Alarm Clock from features 3 light modes and 14 unique color options, ensuring there's a glow for every day and mood. Illuminate your bedroom with your favorite vibrant color, or cycle through all of the color options at the touch of a button. Set Light Intensity controls to your preference and adjust to a sunrise natural light alarm to wake you in the morning. Will simulate a fading sunset with its evening set mode for a slow gradual rest and program the snooze time duration for a sound alarm for some extra rest. USB port charges your phone or mobile devices and LCD displays your current room temperature. Begin and end your day with ’s W74146 Soluna S Light LCD alarm clock! Digital Mood Light alarm clock 3 Light modes: Color cycling (14 color rotation), Evening mode (sunset fade), and Single color select (14 choices, such as Red, Fire, Yellow, Green, Forest, Ocean, Purple and more) Includes 5V AC adapter; optional CR2032 button cell (not included) battery for power loss 1 Amp USB Charging Port (charging cord sold separately) Indoor temperature (range: 32°F to 99°F; 0°C to 37°C) 2 minute Crescendo Sound Alarm with programmable snooze (5 to 120 minute duration) Auto-Dim Backlight with Intensity control Natural Light alarm (simulates Sunrise) and Evening Light mode (30 min cycle simulates sunset)