La Crosse Technology Soluna Light Alarm Clock - New & Open BoxRemains in Great condition from brief use. Tested, Works Great! 0V power adapter (no battery required) 6.9 x 2.7 x 6.7 inches The Solana 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. Solana 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.