1. The LED indicator light provides uniform luminescence and a lifespan of over 10,000 hours. 2. Crafted with high-precision CNC machining, the integrated metal shell boasts high structural strength, making it drop-proof, collision-resistant, and more environmentally friendly. 3. The product features a built-in waterproof sealing washer for enhanced water and dust resistance. 4. The flame-retardant base offers high-temperature resistance and flame retardancy in emergencies, with fire-resistant wire for improved conductivity. 5. Common anode (black wire positive) means two color indicators share a positive, offering great convenience. ----------------------- Item Type: LED Indicator Light Material: Brass Chrome Plated Applications: Car Modification, Equipment, Computer Modification, Access Control Switches, CNC Machine Tools, Industrial Control Instruments Installation Size: M8x0.75mm Voltage: 220V Feature: Common Anode (Common Positive) Light Source Type: LED Working Temperature: -40℃~70℃/-40℉~158℉ Working Humidity: 10%-90% Shade Type: Flat Head Protection Level: IP67, IK10 Features: Common Anode (Black Wire Positive) Meaning: Two color indicators share a positive. After selecting the common anode, the black line is the positive electrode for the common anode, the red line is the red light (negative), and the green line is the green light (negative). Red and yellow, red and blue are the same. ----------------------- 4 x LED Indicator Light 4 x Compression Nut 4 x Washer