DHI-ARM9A4-P-W2(868)
Dahua Wireless Multi IO Transmitter
> 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.