The Big Cheese Mega Sonic Cat Repeller Detects and deters cats from gardens Motion activated repeller that gives out an ultrasonic sound uncomfortable to cats Stake into the ground or attach to the wall Guaranteed year round water resistance Weather tested to IP44 rating 100m Coverage area Safe for wildlife and pets Battery or mains powered using 9v Universal Mains Adaptor (STV612) Due to geographical locations we are unable to deliver to: Isle of Wight, Isle of Man and Ireland.