Modulo relè interruttore controllo timer ritardo automatico casa display digitale DC 12V LED

Relay Specifications:AC 220V 10A or DC 30V 10A. Short press K1. Working mode selection:After power on,long press K12 seconds later into the select function mode,P1-1~P1-4forchoose. seconds after,there lay open Y seconds,then close.Users can set the relay.

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