Fisher-Price replacement swing adapter.  NOT compatible w/ Rock & Play models. ** Note: Battery/AC input on swing must be toggled to AC input for swing to function with adapter. **  Replacement Adapter for Fisher Price Swings listed: J4205 - Power PlusTM Swing J8518 - RainforestTM Open-Top Cradle Swing K4227 - Glide 'n Swing K7923 - Butterfly Garden PapasanTM Cradle Swing K7924 - Starlight PapasanTM Cradle Swing L1958 - Power Plus Swing L1960 - Power Plus Plug-InTM Swing L2144 - Swing 'n Glider L8339 - Zen CollectionTM Cradle Swing M6156 - Power PlusTM Swing M7590 - Power PlusTM Swing P0097 - Starlight Cradle 'n SwingTM (BRU) P2255 - Butterfly Cradle 'n Swing (BCF) P9236 - Dreamsicle CollectionTM Swing 'n GliderTM R9951 - Ocean Wonders Cradle Swing (BRU) T1456 - Precious Planet Teal Cradle Swing T3747 - Cradle 'n Swing (Target) T4522 - Butterfly Cradle Swing V3667 - Sugar Plum Starlight Cradle 'n Swing (BRU) W1666 - Animal Krackers Cradle Swing W9510 - My Little SweetieTM Deluxe Cradle Swing X2535 - Tree PartyTM Starlight Cradle Swing X4400 - My Little Lamb Cradle Swing Platinum Edition (BRU) X7050 - Coral Floral Cradle 'n Swing