4 Channel Relay Module DC7-24V Modbus RTU Support RS485/TTL UART Interface 4 Way Input/4 Way Output with Switch Indicator Light

4 Channel Relay Module DC7-24V Modbus RTU Support RS485/TTL UART Interface 4 Way Input/4 Way Output with Switch Indicator Light
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sku: 1005009004281239
$7.05+2%
$7.19
Shipping from: China
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