Irritrol's RME24SE-SB 24-Station Controller comes from the Rain Master Series. This controller comes with a 24-station capacity, and an expanded 18-gauge stainless steel cabinet. Irritrol has made their name as a brand by selling and marketing exclusively to the professional installer, as a result their products are geared to be dependable and durable. Irrirtrol is now making their products available to you through our website. If you are looking for a product line that will last year in and year out, Irritrol is the brand for you.