★ Specification Product weight: 1.3 lb Product size: 10.2 * 4.3 * 1.9 in Product material: steel, walnut, glass, acrylic, etc. Input voltage / current: 5V / 1~2A Rated power: 5W Display mode: 7 kinds -Normal display mode, each tube displays the same color. Press and hold the button '1' or '2' to adjust the color of all lamps. -Each tube has the same color and is white (silver). -The color of each tube will change gradually in "Red→Orange→Yellow→Green→Cyan→Blue→Purple", which is very beautiful. -Each tube is not the same color, and the color of each tube will change, and the clock will become as beautiful as a rainbow. -The color of the tube is the same, but the number of all the tubes will slowly pulsate from 0 to 9, and the color will gradually change. -The display mode is the same as mode 5, but beating speed of the lamp number will increase a lot. -Only two lamps will illuminate symmetrically. The number of the lamps that are lit will quickly pulsate, and the color of the lamp will change once every cycle. Tip: Modes 5, 6, and 7 do not have a clock function. In the power-on state,insert the small switch to the seconds tube for 2s to change 12/24 hour display mode. ★ Package List 1 × Digital clock 1 × USB charging cable