Item Type: Pre-Wired Round LEDs_x000D_ Material: Brass chrome plated_x000D_ Uses: Car modification, computer modification, access control switches, CNC machine tools, industrial control instruments_x000D_ Installation Size: M8 x 0.75_x000D_ Voltage: 3-6V_x000D_ Function: Common cathod electrode_x000D_ Light Source Type: LED_x000D_ Working Temperature: -40~70/-40~158_x000D_ Working Humidity: 10%-90%_x000D_ Shade Type: Flat head_x000D_ Protection Level: IP67, IK10_x000D_ Size: Approx. 8mm / 0.3in_x000D_ Features: _x000D_ Common cathod Electrode Means: 2 color indicator lights share a common cathod electrode_x000D_ After selecting the common cathod electrode, the black line is the common cathod 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. 1The lamp emits uniformly, with a service life of more than 10,000 hours, which is very practical. 2The one?piece metal shell adopts high?accuracy CNC machine cutting technology, has high structural strength, and is resistant to falling and collision. 3High temperature resistant flame?retardant base, flame retardant in emergency situations, fire?resistant wire enhances conductivity. 4The product has built-in waterproof sealing ring, waterproof and dustproof. 5Common cathod electrode means 2 color indicator lights share a common cathod electrode. 4 x LED Indicator 4 x Compression Nut 4 x Washer