Dual way siren alarm onsite MD-334R Focus wireless alarm accessory
Wireless detector triggered online Siren strobe alarm. It works with Focus brand alarm sensor MC-335R DMT, MC-8250R, MD-2100R wireless smoke detector, PB-403R, PB-201R panic button, PB-500R wireless keypad.
Wall mounted indoor /outdoor Wireless siren strobe dual way communication with alarm panel ST-IVB, ST-V, FC-300 alarm system. New technology wireless alarm system programmable alarm accessory.
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