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: M12 x 0.75_x000D_ Voltage: 12-24V_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. 12mm / 0.5in_x000D_ Features: _x000D_ Common Cathod Electrode Means: 2 color indicator lights share a negative electrode_x000D_ 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. 1The LED light emits uniformly, with a life span of more than 10,000 hours. 2Common cathod electrode means 2 color indicator lights share a negative electrode. 3High?accuracy CNC machine tool cutting technology, one?piece metal shell has high structural strength, resistance to fall and collision. 4Flame?retardant base, high temperature resistance, flame?retardant in emergency situations, fire?resistant wire, enhanced conductivity. 5The product has built-in waterproof sealing ring, waterproof and dustproof. 4 x LED Indicator 4 x Compression Nut 4 x Washer