The ETL (US and Canada) listed Titan Controls Helios 6 - 8 Light 240 Volt Controller with NEMA 6-15 outlets allows you to run 8 HID lights at a 240 volts, maximum 8000 watts. With two (2) relay trigger cords, you can run two separate lighting schedules (i.e. one 12 hour day and one 18 hour day) or run all 8 on the same schedule for all your horticulture and hydroponic needs. Features premium quality Siemens brand relays and 3 screws in back panel which make the controller simple to wire into your electrical panel. Durable and built to last, the Helios 6 is in a 20 gauge powder coated, steel chassis and has NEMA 6-15 outlets. Controllers created for years of service! 3 year warranty included.