Warm Note:please allow slight 1-3cm difference due to manual measurement and a little color variation for different display setting(1 inch=2.54cm) Description: Power:0-5W Output voltage: 5V Switch mode: Fouch Switch Power by:USB Cable Or 3pcs AA Batteries.( Batteries Are Not Included ) Product weight: 0.35KG A single packing box size: 22*15.5*5.5cm Accessories: Yake *1 ABS + Black Base*1 + USB data line *1 Touch button: Press one time, one color light up, press it again, it turns off. Press it thirdly, another color light up.Automatically color changing mode. Press the touch button to last color, then press it again, auto color changing mode works. Product color: seven color: red, green, blue, yellow, purple, white, celadon, adjustable solid color or colorful gradient Note: acrylic plate with double-sided protective film, please tear off the protective film before use.