A powerful ultrasonic repeller created to clear the garden of unwanted visitors. the motion detector detects movement up to 70 ft. from the unit, which triggers a burst of powerful ultrasound, harmlessly scaring the intruder away. Creatures affected include: rats, cats, dogs, squirrels, rabbits, foxes, badgers & deer .12v ac/dc adaptor available to buy separately , for mains operation* simple and easy 3-position settings let you target small, medium or large-size garden intruders.* battery operated (4 x d cell batteries), with option to run off a 12v ac/dc adapter (available to buy separately as product ps3015). batteries will normally last around three months.* a passive infra-red (pir) sensor detects movement in an arc, max. 70 x 50 ft.* includes wall/fence mounting adapter, & rod adapter for placing on a pole, allowing total flexibility of location for maximum effectiveness.* test button triggers an audible signal.* safe & effective no chemicals or traps.* will not affect people, fish or birds. ....(continued here)