Modular design allows for each piece to be stacked together or used individually. Power Hub. Features two built-in 120V power outlets, and a shallow tray to organize small accessories. Compatible with the Konnect™ Desk Organizer Power Base and other Konnect™ Stackables. Three-year limited warranty. Plastic. 3-1/2"W x 3-1/2"D x 2"H. Black.