Features: All pins are treated by gold-plated with copper, with good contact performance. The drive chip (74HC245) adopts of high quality OR SM, ensuring stable performance. The PCB adopts FR4-V0 glass fiber board, featuring high mechanical and dielectric properties. The standardized output interface of this Hub conversion card is 2.54mm-2 x 8P. Clear screen printing on the board is easy for wiring. Specification: Model: HUB90A Interface Definition: HUB90A (full-color) N.O Description N.O Description 1 DR1 2 DG1 3 DB1 4 GND 5 DR2 6 DG2 7 DB2 8 GND 9 CLK 10 GND 11 LAT 12 GND 13 OE 14 GND 15 GND 　 16 GND Size: Approx. 9.5 x 9cm / 3.7 x 3.5inch Weight: Approx. 62g / 2.2oz Package List: 1 x LED Adapter Board 1、All pins are treated by gold-plated with copper, with good contact performance 2、The drive chip (74HC245) adopts of high quality OR SM, ensuring stable performance 3、The PCB adopts FR4-V0 glass fiber board, featuring high mechanical and dielectric properties 4、The standardized output interface of this Hub conversion card is 2.54mm-2 x 8P 5、Clear screen printing on the board is easy for wiring