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Image of GSM 4G LTE CAT 1 Remote Monitoring Relay Switch Access Controller T201 With Temperature Sensor Support Power Failure Alert

GSM 4G LTE CAT 1 Remote Monitoring Relay Switch Access Controller T201 With Temperature Sensor Support Power Failure Alert

Image of DIN-rail 4G GSM SMS Call Remote Relay Controller ON/OFF Switch Temperature Monitor Alarm With 2 Relay Output Power Failure Alarm

DIN-rail 4G GSM SMS Call Remote Relay Controller ON/OFF Switch Temperature Monitor Alarm With 2 Relay Output Power Failure Alarm