5V low level trigger One 1 Channel Relay Module interface Board Shield For Arduino PIC AVR DSP ARM MCU DC AC 220V

EU LVD Voltage : Low voltage: Below 50Vac or 75Vdc High-concerned chemical : None Power Source : DC Theory : Voltage relay is_customized : No Contact Load : Low Power Model Number : Relay Module Brand Name : Interest Maker Voltage : 5V Origin : Mainland China Certification : NONE Use : General Purpose Protect Feature : Sealed