The Rain Bird LNK2 2nd Gen WiFi Irrigation Timer Module is a black plastic device that allows for smart watering control through its SmartWiFiModule technology. Made in the USA, this item has dimensions of 3 inches in height, 10 inches in length, and 7.32 inches in width. It is designed to be a convenient and efficient way to manage your yard and garden watering needs, offering advanced features for a more precise and automated watering system.