This article contains the HZ4000 Series Shark® PowerDetect™ Ultra-Light Corded Stick Vacuum Owner's Guide. This supports the following models: HZ4000, HZ4000C, HZ4002, HZ4001AMZ, QS4000QBL, QS4000QPL, QS4000QGN, QS4000HBL, QS4001QBJ, QS4001QEG, QS4001QGN, QS4001QGY and QS4001QRD.