Features Long-lasting Performance: With a service life exceeding 10,000 hours, these PreWired Round LEDs ensure uniform light emission, providing reliable and long-lasting performance. Construction: Crafted with accurate CNC machine tool cutting technology, the one-piece metal shell offers high structural strength and resistance to falls and collisions, ensuring durability in various conditions. Waterproof and Dustproof: Featuring a built-in waterproof ing ring, these Waterproof LEDs are practical and reliable even in challenging environments, making them suitable for a wide range of applications. Flame-Retardant Design: The high-temperature flame-retardant base and fire-retardant wire enhance safety, ensuring flame retardancy in emergencies and strengthening conductivity for added peace of mind. Common Cathode Technology: The common cathod electrode allows the 2-color indicator lights to share a negative electrode, providing efficient and versatile 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