Description:  This is an adjustable color rainbow clock, each of which digit can be adjusted to a favorite color, or set to a different color gradient aurora effect, each segment of each digital tube number is in a gradient, a clock can be displayed All the colors of the rainbow. The large digital display design makes the color display more abundant, and the built-in 13 menu settings can be set to different functions and effects.  Features:  Super large inch digital display;  Adjustable color for each number, built-in 13 different color options (white, red, orange, yellow, light green, dark green, water green, cyan, light blue, dark blue, purple, pink, light red);  Can be set to all color automatic gradient effect, built-in 5 kinds of Aurora rainbow color self-gradient effect;  Adopt high brightness 5050 full color LED design;  Touch button setup menu (with audible feedback and LED backlight feedback);  You can set alternate display of time, temperature, date, day of the week information, or set to display only time; 4 colons show special effects;  6 different animation switching effects to choose from;  7 kinds of time digital variation effects are available for selection;  Adopt DS3231 for RTC, built-in temperature-compensated crystal oscillator, ultra-high precision, can be put into CR1220 backup battery to prevent loss of time data after power failure;  4-level brightness adjustment function, built-in photoresistor, can automatically adjust the brightness according to the ambient light, can also specify the brightness;  Level 6 information switching duration, you can set how long to display the temperature, date, week and other information according to your preferences;  Voice-activated wake-up function, tapping the desktop or patting the palm to wake up the display;  Countdown function, the countdown ends the buzzer to sound the reminder;  A timed alarm, which automatically turns off after two minutes of tweet, or turned off by touching the button;  Multi-layer acrylic shell;  Power-off memory function;  USB DC 5V voltage supply;  Overall size: 80mm x 200mm x 15mm.     Function:  1. Press the setting (circular symbol) + switch touch key (triangle symbol) to enter or exit the menu at the same time; 2. Short touch switch button (triangle symbol) can switch time setting (Time) - date setting (Date) - alarm setting (Alarm) - format setting (Format) - switching animation effect setting (Display) - setting information switching duration (Speed) - Midpoint Colon Effect Setting (Midpoint) - Color Gradient Effect (Color) - Color Gradient Speed (Color Speed) - Voice Switch Setting (Voice) - Brightness Setting(Brightness) - Time Digital Variation Effect Setting (Move) - Countdown setting (Count). Short press the set key (circular symbol) to enter the setting, and then modify the parameter value by switching the key (triangle symbol).     Parameter Settings:  1. Time: The switch key (triangle symbol key) modifies the flashing parameter value, and sets the key (circular symbol key) to determine the modification;  2. Date: The order of modification is: year-month-day;  3. Alarm: ON - turn on the alarm and enter the alarm time setting; OFF - turn off the alarm.  4. Format settings (Format):  Hour (hour format): 24h-24 time mode; 12h-12 time mode.