4 Channel Home Relay Switch, 2x Remote Controls, DC 12V 433mHz

Working frequency: 433mHz. 7 working mode: Jog, interlock, self-lock, 2CH jog+2CH interlock, 2CH jog+2CH self-lock, 2CH interlock+2CH self-lock, 2CH interlock+2CH interlock. EXCELLENT STABILLITY - The relay module provides high signal sensitivity at lower cost and resist interference.

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