The Wren Professional User Package is a user friendly and cost effective way of setting up your domestic wind turbine. The package comes complete with everything you need to get started, including the Wren Extreme, Building or Tower kit (depending on personal preference and individual needs), 45A Diversion Controller, 550w Dump Load, Run/Stop switch box and fuse, 10m 2.5mm2 cable, 6.5mm & 13mm drill bit. Before confirming your purchase, please take time the decide which voltage (either 12v or 24v) you require, and also whether you would like to attach your turbine to a building or to its own guyed tower. Please note this package does not include an inverter. The delivery cost for the Wren Professional User package is included in the price. If you require any further information please click the link below.