This unique multiposition stirrer allows you to decide how many stir plates to attach (up to 10) based on your mixing needs. Through direct USB connection or with the included cables it is simple to attach or remove a stir plate and configure to suit your work area. Each stir plate edge lights up to allow for accurate positioning of the vessel. Multiple stirring options allow a choice between one direction or reversing every 45 seconds for thorough mixing. Built in timer can be set for up to 9 hours or continuous operation.