Feature:1. LED indicator light have uniform luminescence, more than 10,000 hours of life2. High-accuracy CNC machine tool cutting technology, the integrally formed metal shell has high structural strength, fall-proof, anti-collision, and is more environmentally friendly3. The product has builtin waterproof sealing washer, waterproof and dustproof4. Flame-retardant base, high temperature resistance, flame-retardant in emergency situations, fire-resistant wire with enhanced conductivity5. Common anode (black wire positive) means two color indicators share one positive, very practicalSpecification:Item Type: LED Indicator LightMaterial: Brass chrome platedUses: Car modification, equipment, computer modification, access control switches, CNC machine tools, industrial control instrumentsInstallation Size: M8x0.75mmVoltage: 12-24VFunction: Common anode(common positive)Light Source Type: LEDWorking Temperature: -40~70/-40~158Working Humidity: 10%-90%Shade Type: Flat headProtection Level: IP67, IK10Features: Common Anode(black wire positive) Means: Two color indicators share one positiveAfter selecting the common anode, the black line is the positive electrode of 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..Package List:4 x LED Indicator Light4 x Compression Nut4 x Washer