7.Surface light,LED profile light,Coaxial light.Choose match programmable three ring eight area light. 8.The laser pointer indicates the position of measuring,rapid positioning and conenient measurement. 9.Can match foot switch,easy to operate at any place. 10.Provide a wide range of models:such as VMS-2010,VMS-3020,VMS-4030,VMS-5040.. VMs enable teams to run what appear to be multiple machines, with multiple operating systems, on a single computer. VMs interact with physical computers by using lightweight software layers called hypervisors. Hypervisors can separate VMs from one another and allocate processors, memory, and storage among them.