Right & Wrong Answer Buzzers (set of 2) With the push of a button, let teams know if their answer is right or wrong. Fun, easy, and loud enough to hear from the back of the classroom! Each button measures 3.5" diam.; 2 AAA batteries included in each. Right button plays a classic "ding ding" noise. "Wrong" button plays a classic buzzer noise. Host your game show with pizzazz!