The default control command is 1/2/3/4. Example: Dial 1 to control relay 1, dial 2 to control relay 2, dial 3 to control relay 3, dial 4 to control relay 4; control commands can be changed any 1-4 bits. (For more details, refer to "AD22B04_4 channel DTMF controller commands setting manual ").
Specifications: Size: as the picture Weight: 72g Maximum load: 10A/250VAC ,10A/125VAC,10A /30VDC, 10A /28VDC ,10A /12VDC
Package Included: 1 x 4 Channel DTMF Tone Signal Decoder Relay 1 x cable
FastUU Relay, Home Automation, Reverse Polarity Protection DTMF
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