This waterproof LED emits a consistent light and boasts a lifespan exceeding 10,000 hours. High-precision CNC machining technology ensures the integrated metal shell has superior structural strength and is more environmentally friendly. The product features a built-in waterproof sealing ring, making it waterproof and dustproof. A flame-retardant base offers high-temperature resistance and flame retardancy in emergencies, along with fire-resistant wiring for enhanced conductivity. A common cathode electrode means that 2-color indicator lights share a negative electrode. ----------------------- Item Type: Pre-wired Round LEDs Material: Brass chrome plated Applications: Car modification, computer modification, access control switches, CNC machine tools, industrial control instruments Installation Size: M10 x 0.75 Voltage: 12-24V Feature: Common cathode electrode Light Source Type: LED Working Temperature: -40℃~70℃/-40℉~158℉ Working Humidity: 10%-90% Shade Type: Flat head Protection Level: IP67, IK10 Size: Approx. 10mm / 0.4in Features: Common Cathode Electrode Means: 2-color indicator lights share a negative electrode After selecting the common cathode 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. ----------------------- 4 x LED Indicators 4 x Compression Nut 4 x Washer