Feature: 1. Reverse Connection Guard: This 2 channel relay module boasts a reverse polarity guard that safeguards against burnout and damage caused by incorrect terminal connection, ensuring the security and reliability 2. Auto Setting Save: With automatic setting preservation function, all option settings are securely saved within the module. This means that even if there is a sudden power outage, your settings will remain intact 3. Auto Power Saving: Featuring automatic power saving function that allows users to tailor the parameters according to their specific needs, helps in reducing energy consumption and prolongs the lifespan of the module 4. Adjustable Range: After power on, the delay T1 time relay is activated. T1 can be adjusted between 0.1 seconds and 270 hours, providing a high level pulse signal to the CH1 interface and repeat the above functions 5. LED Display: The relay module is compact and lightweight, coupled with clear and intuitive segmented LED display, enhances readability and efficiency. Suitable for home application, automatic control, and more Specification: Item Type: 2 Channel Relay Module Material: ABS Voltage: 24V Load Control Capacity: 10A AC . Package List: 1 x Relay Module