Feature:1. Clear Display: Equipped with green LED for 4 digit display, the 0.56in display module ensures a clear viewing on data.2. Digital Tubes: 7 segment and decimal design enables a wide range, and each bit has a radix point for easy calculating.3. Practical Use: Allows for broad application on various machine and equipment for better control and simpler operation.4. Good Material: Processed with high quality PCB with accurate wiring and TM1637 drive chip, works with good stability.5. Easy to Install: Comes with 2 pin to connect to digital I O, the lightweight and small digit board is quick to install.Specification:Item Type: Digital Tube Display ModuleMaterial: PCB BoardFunction: LED Digital DisplayDigits: 4 digit 7 segment decimal. Connection Module: 2 pins to digital I O. Library Usage: TM1637.hDriver IC: TM1637Voltage: 5VColour: Green.Package List:1 xDigital Tube Display Module1 x Pin Header