Features Long-lasting Performance: Enjoy over 10,000 hours of uniform light emission, ensuring excellent and reliable performance for an extended period. Robust Construction: Precision-cut with CNC machine tool technology, the one-piece metal shell offers high structural strength, making it resistant to falls and collisions. Waterproof and Dustproof: Equipped with a built-in waterproof ing ring, providing practical protection against water and dust, ensuring durability in various environments. Flame-retardant Design: Utilizes high-temperature flame-retardant base and fire-retardant wire, ensuring emergency flame-retardancy and strengthened conductivity. Common Cathode Technology: Features a common cathode electrode, allowing two-color indicator lights to share a negative electrode, maximizing functionality. Features: 1、With a service life of more than 10,000 hours, uniform light emission and good performance. 2、Accurate CNC machine tool cutting technology, one？piece metal shell has high structural strength, resistance to fall and collision. 3、The product is waterproof and dustproof, built？in waterproof ing ring, very practical. 4、Adopt high？temperature flame？retardant base and fire？retardant wire, which can be flame？retardant in emergency, and the conductivity is strengthened. 5、Common cathod electrode means 2 color indicator lights share a negative electrode. Specification: 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: 110-220V Function: Common cathod 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 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. Package List: 4 x LED Indicator 4 x Compression Nut 4 x Washer Package List 4 x LED Indicator 4 x Compression Nut 4 x Washer