R-LINK FUNCTION INTRODUCTION:
R-LINK V3.0 is a USB-to-serial module specifically designed for the CubeMars AK3.0 series power modules. 

BASIC SPECIFICATIONS:
Dimension: 73.8 x 23.6 x 14.5 mm
Weight: 14 g
The package includes 2 * 4-pin DuPont cables, 1 * serial debugging cable.