This kit includes 6 CPU licenses of vSphere Essentials (for 3 servers with up to 2 processors each) and 1 license for vCenter Server Essentials.

The vSphere Essentials Kit consists of the following:

vSphere Hypervisor (ESXi)
vCenter Server Essentials
The vSphere Essentials Kit licenses are perpetual and do not have an end date. The support term includes updates and new releases of the selected product during the time frame selected.