* Cooperate with the Environment Meter EM-9000, EM-9100, EM-9200 to be as a professional sound level meter.
* 35 to 130 dB, 3 ranges.
* Frequency weighting networks are designed to meet the IEC 61672 class 2.
* A weighting networks are conformity to standards.
* Fast Time weighting dynamic characteristic modes.
* Condenser microphone for high accuracy & long-term stability.
* Over/Under indicator.
* Low battery indicator.
* Electric condenser microphone.
* Size of microphone : 1/2 inch standard size.
Lutron Sound Adapter - SL-407