The 30 Amp lighting controller will handle a total of 4000 watts of lights. It comes prewired with four (4) 240 Volt outlets, two (2) 120 Volt outlets and a 30 Amp incoming power cord. This unit provides a innovative safety feature by adding convenient circuit breakers on the front of the controller in case of a power surge or other electrical occurrences. It also comes with its own 24 hour timer to activate the controller via a 120 Volt relay trigger cord. All in one box, ready to plug in and get growing! 1 year warranty.