No need to shout when you have this versatile, voice-saving, electronic teacher bell. Simply dial one of seven unique sounds, tilt the bell, and point it at your students. The crystal-clear sound begins immediately—and gets everyone’s attention. Use the No Yell Bell to signal the beginning or end of an activity, to warn children that they're too noisy, or to applaud a job well done. High-quality speaker and volume sounds include bugle call, applause, tick-tock alarm, hand bell, alarm clock ring, and more.Details:Black and goldBell measures 4.7" x 5.3" x 10.1"Requires 4 AAA batteries (not included)Can be use both indoor and outdoor