4 Channel Relay Module This 4channel relay interface board can control various appliances and other equipment with high current. It can be controlled directly by any microcontroller. Features Standard interface that can be controlled directly by any microcontroller. FEATURES:

• Optoisolated inputs
• Indicator LEDs for relay output status
• Control input current (in1 to in4): 15 20 mA
• Control input Voltage: 5 12 VDC
• Relay output: 250 VAC @ 10 A; 30 VDC @ 10 A (noninductive)