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、With overall flame retardancy, the current meter ensures secure and reliable current measuring. 2、This ammeter can accurately measure the current, and the non？slip wiring is very simple. 3、High brightness along with clear letter makes it easier to recognize the working status. 4、Light weight and compact size allows for convenient carrying and storage for outdoor use. 5、Made of premium material, the dust is not easy to enter the indicator light, very . Specification: Item Type: Digital Current Meter Model: AD16-22DSA Voltage: 220V AC Current Range: 0~100A Frequency Range: 20~75Hz Package List: 1 x Digital Current Meter Package List 1 x Digital Current Meter