The Sentinel is easily integrated into an existing packaging line and can be placed either at the end of a line or immediately after a specific piece of equipment. Helps eliminate sub-optimal product escapes from packaging lines, increases packaging line reliability and reduces quality control costs. Features include: machine speed up to 120 BPM; handles round, rectangular, square, oblong containers 1 in. to 4 in. x 2 in. to 7 in.; handles standard, CR, metal, snap-on closures.