3V 1 2 4 Channel Relay Module Low Level Trigger With Lamp Relay Output 1 2 4 Way Relay Module For Arduino

High-concerned chemical : None Power Source : DC Theory : Voltage relay is_d : Yes Contact Load : 4-way relay module Model Number : 4-way relay module Brand Name : Aideepen Voltage : 12V Origin : Mainland China Certification : None Use : General Purpose Protect Feature : Sealed