The PBG-04 -NA features are as follows: A) Fully Automatic from a power tool on an iVAC Pro System. When the power tool turns on, the iVAC Pro Tool will issue a wireless command instructing the Blast Gate to open. When the power tool turns off it will instruct the Blast Gate to close. B) Wireless Remote from an iVAC Pro Remote. In this mode an iVAC Pro Remote is used to send the Open and Close commands to the Pro Blast Gate. C) Manually Remote from a 'Manual Wired Remote'. In this mode the operation of the toggle switch on the 'Manual Wired Remote' cable will instruct the Blast Gate to open or close. Set includes Two (2x) PBG-04 iVac Blast Gates, and One (1x) R115240NA iVac Pro Wireless Remote
