The Powered Enclosure Kit is designed for installation of the eGauge in combination with one of several communication protocol devices. The kit comes with components that complement the eGauge main unit, decreasing installation time and reducing complexity. Compatible services: 3p/4w 120/208vac, 1p/3w,120/240vac. US centric.
Local Purchase and assembly in Australia is more economical
See the Installation video here.