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: 3-6V Function: Common cathod electrode Light Source Type: LED Working Temperature: -40℃-70℃ or -40℉-158℉ Working Humidity: 10 percent -90 percent Shade Type: Flat head Protection Level: IP67, IK10 Size: Approx. 10mm or 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. 1,Waterproof metal two color LED light emits uniformly, with a life span of more than 10,000 hours. 2,High accuracy CNC machine tool cutting technology, one piece metal shell, more environmentally friendly. 3,The product has built in waterproof sealing ring, waterproof and dustproof. 4,The 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. 5,Common cathod electrode means 2 color indicator lights share a negative electrode. 4 x LED Indicator 4 x Compression Nut 4 x Washer Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.