3M Personal Safety Division Noise Indicators
Green Flashing LED indicates noise levels are below 85 dBA and hearing protection may not be necessaryNoise Indicator alerts users to potentially dangerous noise levels, helping identify areas where hearing protection may need to be wornRed Flashing LED indicates noise levels are above 85 dBA and hearing protection may be requiredSimply clip the Noise Indicator to a shirt or jacket, its LED delivers a clear indication when noise levels exceed a potentially hazardous threshold