LED Digital Tube Shaped Display Module 4 Digits 7 Segments 0.56in TM1637 Drive Chip Green Feature:1. Clear Display: Equipped with a green LED for a 4 digit display, the 0.56 inch display module provides a clear view of your data.2. Digital tube: 7 segments and decimal design allows a wide range, and each bit has a radix point for easy calculation.3. Practical application: allows for wide application on various machines and devices for better control and simpler operation.4. Good material: processed from high quality PCB board with accurate wiring and TM1637 drive system, works with good stability.5. Easy to Install: Equipped with 2 pins to connect to the digital I-O, the lightweight and small digital whiteboard is quick to install. Specification:Item Type: Digital Tube Shaped Display Module Material: Circuit Board Function: LED Digital Display Features: 4, 7 Segments Decimal Place. Connection Module: 2 Pins for Digital I O.Library Usage: TM1637.hDriver IC: TM1637Voltage: 5VColor: GreenPackage List:1 x Digital Tube Shaped Display Module1 x Pin Head