The Eos? 120 V High Amperage Digital Humidity Controller is designed for the rigors of your indoor gardening. It features a 20 Amp capacity that will operate the largest 120 V dehumidifiers in the market. It comes with a NEMA 5-20P cord set for the input and NEMA 5-20R output receptacle cord. A 15 ft remote sensor with built-in photocell allows for accurate humidity measuring along with day and night capabilities. A slide switch allows you to switch between humidifying and dehumidifying easily.