Feature: 1. Intelligent Control: The timer relay module can realize automatic control circuit, making your circuit more intelligent and convenient. 2. Digital Display: Designed with a 3 digit digital display module, it is clearly visible, with high accuracy, and provides accurate readings. 3. Timing Start and Stop: You can set the timer start and stop duration as needed, which is very convenient and suitable for household or industrial use. 4. Dynamic Display: During the timing operation, the module will dynamically display the current timing situation, allowing you to more intuitively understand the circuit operation status. 5. Button Adjustment: The relay board is equipped with button adjustment, which is convenient for input and output, giving you a better experience. Specification: Item Type: Relay Module Material: ABS Voltage: 12V DC (range 10V-16V) Time Range: 1-999 seconds Display Mode: 3 digit red digital tube (the remaining time is displayed during the countdown process, otherwise the set time is displayed) Time Adjustment: Button adjustment (with power off memory, the next connection will automatically switch to the last setting) Accuracy: 1 second Error: 2% Trigger Method: Short circuit for more than 0.025 seconds Effective Output Touchpoint: A set of normally open + normally closed Output Capacity: 10A. Package List: 1 x Relay Module