12-DI 12-DO DC 12V 24V RS485 IO Board with Optically Isolated NPN Input & 12 Relay Output Modbus RTU Module

12-DI 12-DO DC 12V 24V RS485 IO Board with Optically Isolated NPN Input & 12 Relay Output Modbus RTU Module
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sku: 1005008565667053
$26.66
Shipping from: China
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