Feature:1. The LED light emits uniformly, with a life span of more than 10,000 hours.2. Common cathod electrode means 2 color indicator lights share a negative electrode.3. Highaccuracy CNC machine tool cutting technology, onepiece metal shell has high structural strength, resistance to fall and collision.4. Flameretardant base, high temperature resistance, flameretardant in emergency situations, fireresistant wire, enhanced conductivity.5. The product has built-in waterproof sealing ring, waterproof and dustproof.Specification:Item Type: Pre-Wired Round LEDsMaterial: Brass chrome platedUses: Car modification, computer modification, access control switches, CNC machine tools, industrial control instrumentsInstallation Size: M12 x 0.75Function: Common cathod electrodeLight Source Type: LEDWorking Temperature: -40-70 or -40-158Working Humidity: 10 percent -90 percent Shade Type: Flat headProtection Level: IP67, IK10Size: Approx. 12mm or 0.5inFeatures: Common Cathod Electrode Means: 2 color indicator lights share a negative electrodeAfter 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..Package List:4 x LED Indicator4 x Compression Nut4 x Washer Have a great time shopping!