The ICON 4 is the ulitmate controller for lifts with 4 tanks.   
2 blower and 4 hose system 
Auto height maintainer for “Up” position
Operate from your iPhone or Android
24/7 lift position monitoring 
Fully customizable boarding, up and down limits
Low light slip camera
7” touch screen display
Real-time lift notification of errors, movement, and receptacle status
3-D Printed housing created specifically for durability, UV resistance, and protection of internal components.