Specifications: Type:USB Interface Board Support: for MACH3 software Board Size: 9.8 x 6cm / 3.96 x 2.36in Jog handler size:10*6*2.5cm/3.9*2.4*1in Weight: Approx.229g/8.1oz Package list: 1 x interface board 1 x Jog handler 1 x USB cable 1 x CD 1 x flat cable