Specification Brand : Mxzzand BulletPoint1 : ACCURATE WIRING PCB: 4 Digit tube is made of excellent quality PCB boards, possess accurate wiring and clear board BulletPoint2 : STABLE AND : 4 Digit digital tube come with stable structure, excellent performance and long service life BulletPoint3 : FAST WIRING TO USE: LED segment display module is plug and play, no need for cumbersome wiring process, easy and fast to use BulletPoint4 : 2 PIN CONNECTION: This is a 4 digit 7 segment display module, the display screen show each decimal point, the module is connected to digital I O via 2 pins BulletPoint5 : TM1637 DRIVER CONTROLLER: Connection module adopt TM1637 controller, the voltage is 5V, possess stable display, very reliable ItemName : 4 Digit Digital Tube, TM1637 Module 2 Pin I O PCB Board with Pin Header for DIY(Green MRA041A) ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 12 centimeters ItemPackageDimensions_Width : 8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : led-segment-displays Manufacturer : Mxzzand Material : Copper ModelName : Fafeicy5hq9n41gu6 ModelNumber : Fafeicy5hq9n41gu6 NumberOfItems : 1 PartNumber : Mxzzandxay9cn243v863-11 ProductDescription : Feature: 1. ACCURATE WIRING PCB: 4 Digit tube is made of excellent quality PCB boards, possess accurate wiring and clear board 2. STABLE AND : 4 Digit digital tube come with stable structure, excellent performance and long service life 3. FAST WIRING TO USE: LED segment display module is plug and play, no need for cumbersome wiring process, easy and fast to use 4. 2 PIN CONNECTION: This is a 4 digit 7 segment display module, the display screen show each decimal point, the module is connected to digital I O via 2 pins 5. TM1637 DRIVER CONTROLLER: Connection module adopt TM1637 controller, the voltage is 5V, possess stable display, very reliable