The Oceanus® 2 – Flo-n-Gro® Gro Giant® Controller features fully digital technology. The 24 hour timer allows you to set several watering patterns for your plants. LED lights indicate FILL and DRAIN functions. The controller is housed in a plastic enclosure that resists dust, rust and moisture. The controller also features resettable circuit breaker protection. The controller features 3/4 in fill and drain fittings and 1 in tub outlet fittings to hook your grow site tubing to. 120 Volts/60 Hz. Patent No 9,176,503.