Item Type: Pre-Wired Round LEDs Material: Brass chrome plated Uses: Computer modification, access control switches, CNC machine tools, industrial control instruments Installation Size: M8 x 0.75 Voltage: 3-6V Function: Common Anode 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. 8mm / 0.3in Features: Common Anode Electrode Means: 2 color indicator lights share a common anode electrode After selecting the common anode electrode, the black line is the common anode electrode, the red line is the red light (negative), the green line is the green light (negative), red and yellow, red and blue are the same. Package List 4 x LED Indicator 4 x Compression Nut 4 x Washer 1Has a service life of more than 10,000 hours, and the LED emits uniform light. 2Highaccuracy CNC machine tool cutting technology, onepiece metal shell has high structural strength, drop resistance and environmental protection. 3Fireresistant wire, enhanced conductivity, high temperature resistance, with flameretardant base, it can be flameretardant in emergency. 4With good performance, builtin waterproof sealing ring, waterproof and dustproof. 5Common anode electrode means 2 color indicator lights share a common anode electrode.