Item Type: Digital Tube Display Module_x000D_Material: PCB Board_x000D_Function: LED Digital Display_x000D_Digits: 6 digit, 7 segment. _x000D_Library Usage: TM1637.h_x000D_Connection Module: 3 pins to digital I O. _x000D_Driver IC: TM1637_x000D_Voltage: 5V_x000D_Colour: Red 1Clear Display: Equipped with red LED for 6 digit display, the 0.56in display module ensures a clear viewing on data. 2Digital Tubes: 7 segment design enables a wide display range, and each bit has a radix point for easier calculating. 3Practical Use: Allows for broad application on various machine and equipment for better control and simpler operation. 4Good Material: Processed with high quality PCB with accurate wiring and TM1637 drive chip, works with good stability. 5Easy to Install: Comes with 3 pin to connect to digital I O, the lightweight and small digit board is quick to install.1 x Digital Tube Display Module 1 x Pin Header