modbus rtu 4チャネル12vリレー出力ボードモジュールスイッチ入力rs485 / ttl-innovationo innovationo features:<br>1.thisisa4channel12vrelayoutputboardmodule.<br>2.easytoinstall.<br>3.goodquality,durable.<br>4.portabledesign,easytooperate.<br>5.lowpower,highprecision,rs485/ttlcommunication.<br><br>descriptions:<br>thisisa4channel12vrelayoutputboardmodule,lowpower,highprecision.<br><br>specifications:<br>color:green<br>itemsize:7.6x6.6x1.5cm/3x2.6x0.6in<br>itemweight:79g/2.79oz<br><br>packageinformation:<br>size:148x109x15mm/5.8x4.3x0.6in<br>weight:81g/2.86oz<br>polybagpackage<br><br>packageincluded:<br>1xrelayoutputboardmodule