Specification Brand : EVGATSAUTO BulletPoint1 : 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 BulletPoint2 : FAST WIRING TO USE: LED segment display module is plug and play, no need for cumbersome wiring process, easy and fast to use BulletPoint3 : TM1637 DRIVER CONTROLLER: Connection module adopt TM1637 controller, the voltage is 5V, possess stable display, very BulletPoint4 : ACCURATE WIRING PCB: 4 Digit tube is made of excellent quality PCB boards, possess accurate wiring and clear board path BulletPoint5 : STABLE AND : 4 Digit digital tube come with stable structure, excellent performance and long service life ItemName : 4 Digit Digital Tube, 7 Segments 4 Digit Digital Tube, 4 Digit Tube Clock Module LED Display Board 4 Digit Tube LED Segment Display Module TM1637 0.56in (Red MRA041D) ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 12 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : led-segment-displays Manufacturer : EVGATSAUTO ModelName : Evgatsauto3qa19vomr6-14 ModelNumber : EVGATSAUTO3qa19vomr6-14 NumberOfItems : 1 PartNumber : EVGATSAUTO3qa19vomr6-14 ProductDescription : 1. ACCURATE WIRING PCB: 4 Digit tube is made of excellent quality PCB boards, possess accurate wiring and clear board path 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