For a hard-working professional microphone designed to withstand the rigours of speech or music performances, try the HN-EDA91 from Honeywell. You can turn it on or off with the simple push of a butto
The SpectrAlert Advance P2RK-R (replacement model) is a red, two-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Offers mounting plate only - no bac