It is a timer relay module with high, stable, and reliable performance. It supports reverse input protection and includes a trigger button switch. Power on and press the trigger switch to turn on the load; the load turns off after the delay time. The time range is adjustable from 1 second to 10 seconds using the potentiometer. For longer delays, a larger capacitor or potentiometer may be used. Common applications include timing control equipment, robotics, intelligent product development, automation equipment, PLC development, smart home security alarm delay functions, and electronic development. Built-in diodes prevent damage from reverse power connection, allowing safe wiring. Specifications: Working Voltage: 12V Load Capacity: 10A 250VAC, 10A 30VDC Color: Blue Material: PCB + Components Note: Button colors on the cable vary and cannot be specified. Package Contents: 1 x Timer Module 1 x Cable Other items shown are not included. Note: Color appearance may vary slightly due to lighting and screen settings. Measurement tolerance is ±1–3 cm.