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This DIY 4-digit Digital LED Clock is a customizable color clock, which each number can be defined as a favorite color, or set to a different color gradient Aurora effect. It has 2 display modes, 13 colors and alarm and sound control function. 

Features:
Super Large 4-digit LED Design: adopts high brightness 5050 full color to show the data clearly.
Optional 13 Colors: white, red, orange, yellow, light green, dark green, water green, cyan, light blue, dark blue, purple, pink and light red.
2 Display Modes: displays time/temperature/date/week in cycle or displays time only.
Touching Button: uses it for setup menu(with voice and LED backlight feedback).
5 Kinds of Aurora Rainbow Color Gradient Effect: can be set to all color automatic gradient effect.
6 Kinds of Different Animation Switching Effect: you can choose it depend on your interest.
Timing Alarm Function: it will stop automatically after two minutes, or closes by touching keys.
7 Kinds of Time Digital Change Effect: you can choose the effect accordingly.
Countdown Function: the buzzer will alert in the end of the timer. 
4-level Brightness Adjustment Function: can automatically adjust brightness according to ambient light or specify brightness.
6-level Information Switching Duration: can display the temperature/date/week according to the preferences.
Sound Control Function: you can wake it up by clapping your hands or knocking on the table. 
Uses DS3231: use it for RTC and built-in temperature compensated crystal oscillator, ultra high precision.
Power Supply: powered by DC 5V USB, the clock will remember the settings when the power supply is cut off.
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 Bounce 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).

Specifications:
Material: PCB + Acrylic
Power Supply: USB
Voltage: DC 5V
Finished Product Size: 19.9 * 8 * 1.5cm / 7.83 * 3.15 * 0.59in
Product Weight: 228g / 8.04oz
Package Size: Approx. 20 * 8 * 3.5cm / 7.87 * 3.15 * 1.38in
Package Weight: Approx. 245g / 8.64oz
Note:
Button Cell Not Included.

Package List:
1 * Digital Clock Kit
1 * USB Cable