The Hay App from Harvest Tec is a convenient tool to control your Automatic Hay Preservative Applicator with an iPad on your John Deere, New Holland, Case IH, AGCO, or other brand of hay baler, as well as immediate access to operators manuals, repair parts, and hay preservative info at the touch of a finger. The Hay App gives you all the same features as the prior generation Touch Screen Display through a Bluetooth connection on your iPad or iPad Mini. Making the highest quality hay has never been easier! Displays the following information while you bale: • Moisture content • Speed of baling (tonnage) • Volume of preservative used per bale • Target application rate and actual application rate • Total tons baled Requires Bluetooth antenna. See your local dealer for details.