Leviton N5600-D20 4-Channel 600 Watt/Channel 20-Amp Power Supply Cord Dimmer/Relay System, Micro-Plex And 0-10V, DMX Installed, 120V 4 channels at 600 watts 15 amp/1800 watt model with NEMA 5-15 household power cord connector or 20 amp/2400 watt model with NEMA 5-20 perpendicular blade power cord connector available Microprocessor digital phase control dimming or zero-crossing relay modes are user selectable (3600R is relay only) 160 micro-second toroidal filtering Control status indicator LED - Power on LED indicator - Individual channel function LEDs