Features High Quality 5V 1-Channel Relay Module: This module offers high-quality performance with a 5V power supply and 1-channel bistable self-locking relay, ensuring reliable and efficient . Convenient Trigger Control: Easily activate the relay by clicking the trigger port to pull it in and hold, and click again to disconnect, providing convenient and intuitive control. and Long Service Life: Constructed with high-quality materials, this relay module is and has a long service life, ensuring lasting reliability for your applications. High Accuracy and Strong Stability: With high accuracy and strong stability, this relay module is easy to install and use, delivering and reliable performance for various applications. Safe Low Pulse Trigger: The trigger mode is a low pulse trigger, providing a more convenient and safer for your peace of mind. Features: 1、MULTIPLE FUNCTIONS: Come with low oil pressure, water temperature, high cylinder temperature, overspeed protection and indication 2、SIGNAL PROMPT: An additional external input alarm stop signal, with charge failure warning indication, no shutdown 3、COMPACT INSTALLATION: Modular structure design, embedded installation, compact structure with small size 4、STABLE AND CONVENIENT: Advanced single chip control, stable performance, easy to operate, with 2 keys and 2 accessories 5、SCRATCH RESISTANT ABS: Made with excellent ABS material, possess impact resistance, scratch resistance, environmentally friendly Specification: Item Type: Automatic Engine Control Module Material: ABS DC Power Supply: 8-35V Power Input: AC15-306V(+20%) 50 or 60Hz Optional Overspeed Threshold: 114% of rated frequency Starter Separation: Generator voltage ≥ 15VAC and frequency ≥ 15Hz Charge Failure Voltage: Less than 3V 4 Output Ports: 4 x 1.2A (both transistor DC output) Switch Input Port: Connect B valid Package List: 1 x Generator Controller 2 x Key 2 x Accessories Package List 1 x Generator Controller 2 x Key 2 x Accessories