Pyle PS900 Audio/Video AC Power Conditioner, Voltage Filter, Noise/Interference Elimination, Processor Sequencer with 3-Prong Outlet Plugs Supplies Clean Filtered AC Power: 2-Stage High Insert Dissipation - AC Voltage, Ambient Temperature & Step Time Display Micro-Controller Ensures High Level Precise Timing - Built-in 2 Stage EMI Filter for Each Output (On Rear Panel) Able to Series Link More than 100 Units with Automatic Master Unit Display - Selectable Step Time and Real Time Display Output Cut Switch for All Nine Channels - Monitors AC Voltage in Real Time - Display Shows Wiring and Ground Status LED Displays: Output Cut, Master, Bypass, Power, AC Voltage and Temperature - Step Time Display in 7 Segment LED