Item Type: Metal LED Indicator Light_x000D_Material: Brass chrome plated_x000D_Uses: Car modification, computer modification, access control switches, CNC machine tools, industrial control instruments_x000D_Installation Size: M8 x 0.75mm_x000D_Voltage: 12-24V_x000D_Function: Common cathod electrode_x000D_Light Source Type: LED_x000D_Working Temperature: -40~70/-40~158_x000D_Working Humidity: 10%-90%_x000D_Shade Type: Flat head_x000D_Protection Level: IP67, IK10_x000D_Size: Approx. 8mm / 0.3in_x000D_Features: _x000D_Common Cathod Electrode Means: 2 color indicator lights share a negative electrode_x000D_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. 1The metal LED indicator light is uniform and has a life span of more than 10,000 hours. 2This LED indicator has high accurate CNC machine cutting technology, and the metal shell has high structural strength, which is more environmentally friendly and resistant to falling and collision. 3The 8mm LED light has a built?in waterproof sealing loop, which is waterproof and dustproof. 4This LED light has flame?retardant base, high temperature resistance, flame?retardant in emergency situations, fire?retardant wire, enhanced conductivity. 5Common cathod electrode means 2 color indicator lights share a negative electrode. 4 x LED Indicator 4 x Compression Nut 4 x Washer