12V 4-Channel Relay Module

• This 4-channel 12V DC relay module allows low-voltage controllers (like Arduino, ESP32, Raspberry Pi) to safely switch higher voltage/current AC or DC devices. • Features four independent electromagnetic relays, suitable for controlling lights, motors, pumps, fans, and household appliances. • Ideal for hobbyists and professionals integrating microcontrollers with real-world electrical systems. • Designed for reliable switching of loads up to 10A at 250VAC or 30VDC. • Easy to connect and integrate into existing projects. • Brand new condition.