What is the difference between matebox V1.3&1.4

The main difference are: 1). V1.3 is with build-in DC switch, so it only work with -M INV; V1.4 is without DC switch, so it can work with -D INV, PV connect to inverter instead of going through matebox. 2). V1.3 wifi come with inverter; V1.4 pocket wifi 3.0-P with standard