6-30 V Relay Module with switch, trigger, time delay circuit, timer and adjustable cycle. Key benefits - Flexible operating range: works with 6-30 V power sources and loads. - Flexible control options: use the built in switch, an external trigger, or both to start timing. - Precise timing: timer enables accurate on/off control with a time delay. - Customizable cycles: adjust the cycle length to suit your application without additional hardware. Core features - Relay module with switch, trigger input, time delay circuit, timer, and adjustable cycle - Voltage range: 6-30 V - Supports multiple control modes and precise timing Applications - Lighting control: delayed or periodic on/off for small fixtures - Ventilation or cooling fans: timed operation to manage airflow or cooling cycles - Small pumps or actuators: automated timed sequences for prototyping or simple automation projects