1 Yacker Tracker, AC Adapter, 6 Replacement Bulbs
The green light stays lit until noise goes above the set level. The green light then goes off and a flashing yellow light comes on as a warning when noise is above set level. When the sound level reaches 15 decibels above set level, the red light and a siren come on as a warning. Siren feature may be turned off. Decibel level may be set from 50 to 110. Perfect for K-12 classroom teachers to use with their students. Acceptable levels of noise can be adjusted for quiet activities or louder for group work. Nursery schools with hearing impaired students can use the unit as a visual signal. Drama departments can incorporate this unit as a quiet signal to alert backstage cast members of inappropriate offstage noise.
To provide a visual signal of too much noise for children and students of all age levels.
Age Level: All
Grade Level: All