"It has always been a dream of mankind to communicate with our cats. This set of four buttons puts us one step closer to a universal cat translator. This 3-½" electronic Emergency Cat noisemaker includes four sounds"”mew, meow, catfight and purr. Press the buttons whenever you're lonely for your cat or just want to irritate nearby cats. Batteries included. Designed by Accoutrements Dimensions: 3.5 x 1.5 x 0.5 "