2 Channel Relay Module Bluetooth 4.0 BLE for Apple Android Phone IOT Product introduction: This product is a Bluetooth 2-way relay control board, model ZL-RC02D, with Bluetooth 4.1BLE communication module, which can support Android and Apple phones. Android phones must support Bluetooth 4.0 hardware, and the system version is above Android 4.3. There is no pairing password, and the mobile phone installation software can directly search for connection operations.
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