Item Tag: 7453062192122
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4G/3G/GSM Alarm Security System Alert Module 8‑Channel Input Low Consumption N
You can choose the input port to be NC or NO to alarm. Built‑in 4G module, can work anywhere in the world through 4G, 3G and GSM Net. The input is a switch signal. Item Type: 4G/3G/GSM Alarm Module.