Specification:
 

Operating voltage: 3.3V - 5V

Row needle leads to a common pin， include a VCC pin， and 4-bit driving pin (D1， D2， D3， D4)， 8 segments drive pins (A， B， C， D， E， F， G， DP)

Size: 33.5 (mm) x 21 (mm) 

Feature:
 

- 0.36 inches of red common anode 4-segment digital tube

- 4 8550 transistor parallel drive

- 4-bit drivers current limiting resistor and eight segments driven current limiting resistor

Package included:
 

1x Digital Tube Display Module