DC 630V Timer Relay Module with LCD Display and Intelligent Protection This precision timer relay module offers versatile functionality, wide compatibility, and reliable performance for automation, DIY electronics, and control systems. Designed with userfriendly features and robust protection, it ensures accurate timing control in a variety of applications. Key Features: Wide Operating Voltage Range: Works with DC 630V input and supports micro USB 5.0V power supply for flexible installation. and Low Level Trigger Support: Accepts level trigger signals from 3.0V to 34V and low level trigger signals from 0V to 0.2V, enabling compatibility with a wide range of control devices and circuits. Adjustable Timing Range: Set delays from 0.01 seconds to 9999 minutes, continuously adjustable to suit precise or extended timing requirements. Clear LCD Display: Digital screen shows current mode and parameters for quick setup and monitoring, ensuring accurate operation. Intelligent Electrical Protection: Builtin diode provides reverse polarity protection and overload safeguarding to prevent damage during wiring or operation. Sleep Mode Function: Device automatically enters sleep state after 5 minutes of inactivity to save energy; periodic simulated button presses can keep the module active when needed. Applications: 1. Automated Equipment Control: Ideal for switching motors, pumps, or fans after a set delay to optimize efficiency and prevent wear. 2. LED Lighting Management: Automatically turn lights on or off at specific intervals for energy savings and convenience. 3. DIY Electronics Projects: for hobbyists and makers who need precise, programmable time delays in custombuilt circuits. Compact and reliable, this timer relay module combines precise timing capabilities with durable protection features, making it a practical choice for both professional engineering tasks and creative electronic projects.