
SED and SMD model are combined product of heavy duty warning light and heavy duty signal phone. In case of SED model, it is the integrated structure combining of heavy duty warning light of SH1(Ø125) and heavy duty signal phone of SEWN30T (118dB). In case of SMD model, it is the integrated structure combining of heavy duty warning light of SH2(Ø150) and heavy duty signal phone ...
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