Modbus-Rtu7-24V2-way 4-way relay module switching input and output RS485/TTL anti-reverse connection

Modbus-Rtu7-24V2-way 4-way relay module switching input and output RS485/TTL anti-reverse connection
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sku: 1005007103062267
$3.84+154%
$9.73
Shipping from: China
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