The Advent 302 is a Semi-Automatic labeling machine that applies pressure sensitive labels to round containers.There is no need for an air supply or a foot pedal. Just plug-in the Advent,make your adjustments,and you can label from 8 to 20 containers per minute with 1/16" accuracy. The Advent will apply a label from 3/4" to 8" wide,and up to 20" long. The is a two year limited warranty on parts. Made in the USA.