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: HUB03A Interface Definition: HUB03A (bi-color) N.O Description 　 N.O Description 1 A 2 A 3 B 4 B 5 C 6 C 7 D 8 D 9 LAT 10 LAT 11 CLK 12 CLK 13 RD 14 RD 15 GD 16 GD 17 OE 18 OE 19 GND 20 GND Size: Approx. 18.8 x 6.3cm / 7.4 x 2.5inch Weight: Approx. 79g / 2.8oz 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