The SpectrAlert Advance P2RHK-P is an unmarked red, two-wire, outdoor horn strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd. Outdoor back box included.
HN-IA240 is a high efficient Power/Booster amplifier provides audio signal amplification for public address and voice alarm system, It is reliable,efficient and light in weight