This article contains the FAQs for the WV400 Series Shark® WANDVAC® POWER PET Cordless Hand Vac. This supports the following model numbers: WV400, WV403, WV403BR, WV410, WV410BL, WV410BR, WV410GN, WV410PK, WV410PR, WV410TL, QV410QBK, QV410QBL, QV410QCP, QV410QGR, QV410QGY and QV410QMG.