4 channel
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4 Channel Optocoupler Isolation Module AC 220V Isolated Board Testing Module No PCB Holder AC Detection Module (Copy)
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90V – 270V 4 Channel 433Mhz Wireless Remote Control Switch for Home Automation
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5V 4 Channels 315Mhz Wireless Remote Control
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Remote Control 433MHz 4 Channel
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12V 4CH Channel 433Mhz Wireless Remote Control Switch With 2 Transmitter
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Relay 5V – 4 Channel Module
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IO-4-KB20C04A-
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