R223B01 DC 12V 1 Channel DB9 Serial Port Time Delay Relay RS232 UART Multi-function Remote Control Switch Relay Board

R223B01 DC 12V 1 Channel DB9 Serial Port Time Delay Relay RS232 UART Multi-function Remote Control Switch Relay Board
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sku: 1005006804955558
$10.17
Shipping from: China
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