Product Features:

• Finally- you select the appropriate level of noise for any given situation!
• Traffic light is computerized with adjustable sound level meter which can be set from 50 dB to 110 dB.
• Green light stays lit until noise in room goes above set level, then a flashing yellow light comes on as a warning.
• When sound level reaches 15 decibels above set level, a red light and siren sound come on (siren sound is optional).
• Lights can also be adjusted manually.
• Unit is 17" tall and can stand on its own or be mounted on the wall.
• AC powered.