Product · United States

Smart GSM 4G LTE 4Channel Controller DL4 SMS Remote ON/OFF 30A Big Power Relay Switch Temperature Monitor Power Failure Alarm

Product no longer available. The stores we track no longer sell it; last price seen $56.09.

Price history: 2 daily prices tracked since 2026-10-18; lowest $56.09, highest $56.09.

Smart GSM 4G LTE 4Channel Controller DL4 SMS Remote ON/OFF 30A Big Power Relay Switch Temperature Monitor Power Failure Alarm

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