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、Generator voltage regulation 2、Over-voltage protection function 3、Low speed protection function 4、Adjustable voltage range 5、With parallel machine function Specification: Features: 1. Generator voltage regulation 2. Over-voltage protection function 3. Low speed protection function 4. Adjustable voltage range 5. With parallel machine function 6. High voltage stability 7. Suitable for single phase and three phases 8.50 HZ 60 HZ is adjustable Specification: Model: GAVR-20A Detection input: voltage 220V/400VAC Power input: voltage 180-240VAC single-phase two-wire Magnetic field output: maximum 90VDC at 240VAC input, current 6A Weight: Approx.434g/15.3oz Package list: 1 x GAVR-20A Voltage Regulator Package List