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1 Channel Relay Module SMS GSM Remote Control Switch SIM800C STM32F103CBT6  for Greenhouse Oxygen Pump FZ3024

1 Channel Relay Module SMS GSM Remote Control Switch SIM800C STM32F103CBT6 for Greenhouse Oxygen Pump FZ3024

Description:Voltage:6V-18V, when using 6V Power supply, the current need above 1.5ARelay interface: ..

$21.99 Ex Tax: $21.99

2 Channel Relay Module SMS GSM Remote Control Switch SIM800C STM32F103CBT6 for Greenhouse Oxygen Pump FZ3064

2 Channel Relay Module SMS GSM Remote Control Switch SIM800C STM32F103CBT6 for Greenhouse Oxygen Pump FZ3064

Description:Voltage:9V-36V, when using 9V Power supply, the current need above 1ARelay interface: Us..

$22.99 Ex Tax: $22.99

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