4 Channel Relay Module, 30A with Optocoupler, Isolation 5V Supports, High and Low Triger

Specifications: Supply Voltage: DC 5V Quiescent Current: 5mA Maximum Operating Current: 190mA Trigger Mode: high and low-level trigger Load Voltage: DC 30V / AC250 Load Current: 30A Relay Life: more than 100,000 times Trigger Voltage Range: Low-level trigger: 0-2V relay ON; 3-5V relay OFF; High-level trigger: 3.3-5V relay ON; 0-2.5V relay OFF