TSIR04 4 Channel Outputs, 4 Optically Isolated Inputs Bluetooth Smartphone Relay

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Bluetooth relay board with optically isolated inputs, an OLED display and a temperature sensor port Provides 4V free contact relay outputs with a current rating of up to 10Amp each SPDT type / 12VDC power supply Includes a Bluetooth Beemodule This TSIR04 - 4 Channel Outputs, 4 Optically Isolated Inputs Bluetooth Smartphone Relay is powerful and easy to use. You can easily control this relay board by your computer or smartphone using bluetooth. The communication way can be changed easily. Remove the Bluetooth Bee module instead with a WiFiBee, it becomes a WIFI relay. It will be a USB relay when you plugged a USBBee. Very convenient to use. The TSIR04 provides four free contact relay outputs with a current rating of up to 10Amp each. The module is powered from a 12VDC power supply. The DC input jack is 2.1mm with positive core polarity. The relays are SPDT type. Show more