BT25D04 DC 12V 24V 4ch Bluetooth Timer Delay Relay IOS Android phone switch
23,86 €
It can also be triggered by an external pulse signal. 1 pcs DC 5-24V 4-Channels Bluetooth BLE 4.0 Relay Module. 3 Bluetooth protocol: Bluetooth Specification V4.0 BLE. 1 phone must support bluetooth 4.0, such as galaxy S4 (android 4.3),phone 4s(IOS8).
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