Yacker Tracker is an interactive sound or decibel meter designed like a traffic signal. The fun, yet strong design makes these perfect for the classroom, hospital or anywhere the need to keep the sound level reduced with flashing lights and gentle warning
Yacker Tracker is an interactive sound or decibel meter designed like a traffic signal. The fun, yet strong design makes these perfect for the classroom, hospital or anywhere the need to keep the sound level reduced with flashing lights and gentle warning