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DC 12V/24V 1/2/4/8 Channels PLC Digital IO NPN PNP Signal Amplifier Module for Bluetooth Wifi RS485 RS232 Relay Board

USD 11.97USD 17.10

DC 12V/24V 1/2/4/8 Channels PLC Digital IO NPN PNP Signal Amplifier Module for Bluetooth Wifi RS485 RS232 Relay Board

Description
Specification
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