DC 3V/3.3V High Level Driver Module Output Signal Indicator Optocoupler Relay Module Microcontroller IO Port

High-concerned chemical : None Compatible Audio & Video Equipment Style : Professional Audio Equipment Type : Bluetooth Brand Name : APWIKOGER Origin : Mainland China Isolated Drive Control Board : High Level Driver Module High Level Trigger : Relay Module Certification : NONE Origin : Mainland China Model Number : Relays Control Module Main components : EL817, SRD-DC03V-SL-C Voltage : DC 3V/3.3V Product weight : 20g Product size : 70*20*17mm/2.76*0.79*0.67in