Versatile 4 Channel Relay Module - High/Low Trigger, 10A Rating & Automatic Mode\n\n--\n\n\u2039\n\n\u203A\n\n--\n\n\u2039\n\n\u203A\n\n--\n\n\u2039\n\n\u203A\n\n--\n\n\u2039\n\n\u203A\n\n--\n\n\u2039\n\n\u203A\n\n--\n\n\u2039\n\n\u203A\n\n--\n\n\u2039\n\n\u203A\n\n--\n\n\u2039\n\n\u203A\n\n--\n\n\u2039\n\n\u203A\n\n--\n\n\u2039\n\n\u203A\n\n--\n\n\u2039\n\n\u203A\n\nVersatile 4 Channel Relay Module\n\n- High/Low Trigger with 10A Rating & Automatic Mode\nExceptional Features:\n\n--Fault-tolerant Design: Ensures that even if the control line breaks, the relay will remain unaffected.\n--Power Indicator Lights: Conveniently features a green power indicator and red relay state indicator lights for easy monitoring.\n--Stable Performance: Equipped with patch photocoupler isolation for a strong driving ability and a stable performance, with a trigger current of just 5mA.\n--Customizable Triggering: Easily switch between high or low triggering by a simple jumper setting, making it ad;