This is a universal 9v DC adapter designed for use with The Big Cheese STV610, STV620, and STV649 repeller products. It comes complete with a 5-meter extension lead and includes UK and European plugs. This adapter is compatible with STV606 Mega Sonic Cat Repeller, STV610 Mega Sonic Cat Repeller, and STV620 Mega Sonic Cat & Dog Repeller. Please note that due to geographical restrictions, delivery to the Isle of Wight, Isle of Man, and Ireland is not available.