433Hz 5V RF Adjustable Delay timer Wireless Remote Control Relay Switch 1TX+4RX
48,21 €
"LOAD" may be LED lights, fans, motors and other DC 5V. 4 pcs 2 channel DC5V Receiver relay board ;. 1 pcs 8 button transmitter remote ;. Max load : 500W;. Step 1 (into the learning mode): Press the button (about 1 second), LED off;.
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