4-Channel 12V/10A Bluetooth Relay Module Mobile Remote Control Switch AU
8,13 €
7, onboard Bluetooth status indicator and relay indicator;. 1, on-board high-performance MCU and SPP-C Bluetooth 2.1 slave module;. LED D2/D3/D4/D5 (red light): Relay operation indicator light. LED D1 (blue light): Bluetooth status indicator, described as follows.
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