RoHS Restriction |The Restriction of Hazardous Substances
RoHS Restriction |The Restriction of Hazardous Substances RoHS, short for Restriction of Hazardous Substances, is an acronym you should know. It refers ... Read More
The alarm sirens have siren drivers built in. Self contained sirens work with all alarm systems and do not require a separate driver circuit board.
World Electric Guide for Emergency lights
World Electric Guide for Emergency lights The electric power frequency is shown in the number of hertz (cycles per second). Even if ... Read More
Piezoelectric Diaphragms |The sounder Design Guide
Piezoelectric Diaphragms, Siren Diaphragms Established in 1998, DSW International has specialized in manufacturing piezo products such as piezoelectric diaphragms, piezo alarms, piezo sirens, ... Read More