DB5
Up to 103 dB(A) – Intrinsically Safe (Exia), Weatherproof
http://www.coopermedc.com/sites/coopermedc.com/files/products/datasheets/cooper-medc-datasheet-dsmc0009b-db5.pdf
Up to 103 dB(A) – Intrinsically Safe (Exia), Weatherproof
http://www.coopermedc.com/sites/coopermedc.com/files/products/datasheets/cooper-medc-datasheet-dsmc0009b-db5.pdf