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、This waterproof LED emits uniform light and has a life span of more than 10,000 hours. 2、High？accuracy CNC machine tool cutting technology, the integrally formed metal shell has a higher structural strength, and is more environmentally friendly. 3、The product has built？in waterproof ing ring, waterproof and dustproof. 4、Flame？retardant base, high temperature resistance, flame？retardant in emergency situations, fire？resistant wire, enhanced conductivity. 5、Common cathod electrode means 2 color indicator lights share a negative electrode. Specification: Item Type: Pre-Wired Round LEDs Material: Brass chrome plated Uses: Car modification, computer modification, access control switches, CNC machine tools, industrial control instruments Installation Size: M10 x 0.75 Voltage: 12-24V Function: Common cathod electrode Light Source Type: LED Working Temperature: -40℃~70℃/-40℉~158℉ Working Humidity: 10%-90% Shade Type: Flat head Protection Level: IP67, IK10 Size: Approx. 10mm / 0.4in Features: Common Cathod Electrode Means: 2 color indicator lights share a negative electrode After selecting the common cathod electrode, the black line is the common negative electrode, the red line is the red light (positive), the green line is the green light (positive), red and yellow, red and blue are the same. Package List: 4 x LED Indicator 4 x Compression Nut 4 x Washer Package List 4 x LED Indicator 4 x Compression Nut 4 x Washer