Upgrades your original wireless Vantage Pro with Fan-Aspirated Radiation Shield (6151) or wireless Vantage Pro Plus with Fan-Aspirated Radiation Shield (6161) from a pre May 2003 version to the latest configuration of the Vantage Pro. (For example, a temp/humidity sensor is included in this kit because that is part of the latest configuration for Vantage Pro.)
Generally leaves the warehouse in 4-7 business days.