The iRobot Roomba S series Clean Base Automatic Dirt Disposal is a black plastic base designed to work with Roomba and iRobot vacuums. It features an electric corded power source and has a 1L capacity for collecting dirt and debris. This set includes a charging dock for convenient maintenance, and its automatic features make it easy to use. The base, compatible with the ADB-N1 model, is a must-have accessory for efficient and convenient cleaning with your Roomba vacuum.