2 Channel Serial Port Relay Module RS232 UART Protocol DB9 Interface Remote TJ

--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n\nFeature:1. Simple , most serial commands are single\u2011byte commands.\n2. With capacitor filter circuit, which has improved stability.\n3. Onboard 2 relay, which can be accessed extended 2\u2011way relay module.\n4. Two\u2011channel relay, plus two expansion IO ports, low\u2011level output.\n5. Built to meet standard specification, strictly follow factory quality control.\n\nSpecification:\n\nCondition: Brand New\nItem Type: Relay Switch Board\nMaterial: Plastic\nColor: As picture shown\nTwo-Channel Serial Relay:\nChannel: Two-channel relay, plus two expansion IO ports, low-level output\nInterface: DB9 female/male RS232 level, can control the relay on, off, self-locking, inching through the super terminal (serial port debugging software) on the computer.\nWorking Voltage: DC 12V power supply (range: 8.5-13.5V)\nControl Voltage: DC 9V 12V or DC 1-48V or AC 85-265V\nControl Current: 10A\n\nPackage List:1 x Rel-