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: M10 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. 10mm / 0.4in_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. 1Waterproof metal two?color LED light emits uniformly, with a life span of more than 10,000 hours. 2High?accuracy CNC machine tool cutting technology, one?piece metal shell, more environmentally friendly. 3The product has built?in waterproof sealing ring, waterproof and dustproof. 4The flame?retardant base is resistant to high temperatures, and can be flame?retardant in emergency situations, and the conductivity of the fire?resistant wire is enhanced. 5Common cathod electrode means 2 color indicator lights share a negative electrode. 4 x LED Indicator 4 x Compression Nut 4 x Washer