This document summarizes the technical specifications of Rockwill Electric's SF6 gas insulated switchgear (GIS) units. The GIS system can be divided into three types of units: cable connection units (C units), fuse combination units (F units), and vacuum circuit breaker units (V units). The GIS units have rated voltages of 24/36kV, can withstand high dry and wet power frequency voltages and lightning impulse voltages. Various units and configurations are available to serve different applications such as cable branching, transformer protection, and main switching.