Features:  Highlighted LED dot matrix screen display with black & translucent acrylic design.  With alarm function, 12H/24H hour format for selection, time & ℃/℉ temperature switch display.  5 kinds of display font, 4 kinds of middle point turn effect and 5 levels of LED luminance.  Important festival scroll display (like Valentine's Day Merry Christmas and so on).  Birthday remind function (shows Happy Birthday when the date is coming).  4 kinds of transition animation select can change the time, temperature, data and week (or time only mode).  Using DS1307 real time clock chip, data reminds when power off with the backup battery(backup battery not included in the kit).  5V USB cable power supply and all using DIP components to solder, easy to make and suitable for beginners.    Specifications:  LED Color: Green  Material: Acrylic  Product Color: Black  Power Supply: 5V USB or Wire Connection  Temperature Range: 0℃～43℃ / 32℉～109℉  Hour Format: 12H / 24H  Light Luminance: 5 Levels  of Display Font: 5 Kinds  Middle Point Turning Effect: 4 Kinds  Backup Battery: 1 * CR1220 Button Battery (Not Included)  Power Supply: DC 5V  PCB Size: 111 * 62m  Clock Size: 111 * 62 * 18mm  Package Size: 11.5 * 6.5 * 4cm / 4.53 * 2.56 * 1.57in  Package Weight: 99g / 3.49oz    Function:  1. Long press the Confirm button (Left key) to enter or exit the menu functions list.  2. Short press the Next key(Right key) to select the different functions, the functions menu has TIME(Time setup), DATE(Date setup), ALARM(Alarm setup), FONT(Font type), DISP(Set transition animation), Midp(Middle point turn effect), FMT(Set 24/12H format), BRH(Set the date of birth remind), Brig(Brightness). And then press the Confirm button(Left key) to enter in parameters mode.  3. Short press the Next button(Right key) when it shows the Temperature, it can switch the Fahrenheit and Celsius format.    Parameters Setting:  1. Alarm Setup: ON - Turn on the time alarm and enter the parameters mode, OFF - Turn off the time alarm.  2. Font Type: Type 1, Type 2, Type 3, Type 4, Type 5.  3. Set Display Animation Effect: 1-Scroll left mode, 2-Sweep mode, 3-Single Fall Down mode, 4-Flip mode, 5-Time only.  4. Middle Point Turning Effect: 1-Converge Middle mode, 2-Up and Down Miss mode, 3-Up and Down Move mode, 4-Lit Per Second mode.  5. Time Format: 24H-24h time format, 12H-12h time format.  6. Set the Date of Birthday Remind: ON-turn on the birth remind and enter the parameters mode, OFF-turn off the birth remind.  7. Brightness Levels: Level 1, Level 2, Level 3, Level 4, Level 5.    Installation Method: You will get a bulk DIY kit, all components need to be soldered by yourself. The shell is acrylic material, fixed with screws. Provide with installation instructions.    Package List:  1 * DIY LED Mirror Clock Making Kit  1 * USB Cable