The buzzer has 8 cm in diameter and 5 cm high. Under pressure from the red buzzer button starts flashing and the following audio messages will be issued in exchange: , Siren Sound and announcement: "Bulls *** detected Take Precautions" Siren Sound and announcement: "Bulls *** level DEFCON 5" Announcement "Oh come on now. That aint even bulls ***. Thats horses ***" Siren Sound and announcement: "Warning, Warning bulls *** Alert" Buzzer sound and announcement: "That was bulls ***" , Is operated the buzzer with 2 AAA batteries , Note: The shipping costs (8 euros) and delivery time from the States (4 weeks) should be observed!