Dahua Wireless Multi IO Transmitter
DHI-ARM9A4-P-W2
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> Connection to Hub through RF or network communication.> 16 alarm inputs, 4 relay outputs.> 2 auxiliary power outputs with a maximum power of 24W for powering wired detector and siren, and support overload and short circuit detection.> POE, AC power and rechargeable battery (optional) three power supply options.
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