Iot Relay - Enclosed High-Power Power Relay for Arduino, Raspberry Pi, PIC or WiFi, Relay Shield Safe, Reliable Power Control One circuit, 4 outlets, 2x NC, 2x NO Wires to your Arduino, Raspberry Pi, PIC, or other micro Takes the place of a relay board. Fully assembled and ready to use. Includes surge supression, debounce, safety breaker