The Oceanus® 1 Flo-n-Gro® 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. Purchase pump separately (recommended product #727085). 120 Volts/60 Hz. US Patent 9,176,503. BPA free.