Advanced 20 amp power controller with top of the line Linear Noise Filtration, Automatic Voltage Monitoring and catastrophic surge protection. The M4320-PRO features Panamax revolutionary AVM (Automatic Voltage Monitoring) circuit, and our exclusive Linear Filtering Technology (LiFT). Together, these technologies comprise precisely what our customers have come to expect from Panamax: uncompromised AC protection and purification. Outlets: all rear panel outlets are separately controlled. They are grouped into four (4) filter-isolated banks. BlueBOLT is included, providing secure, hosted IP system control and monitoring for the M4320-PRO.