Introducing our 2 Pack of Thick Shell, Industrial Waterproofed LED Marker Lights designed for use on your 24V truck and machinery. These marker lights are built to last, featuring a heavy-duty thick lens shell that is ultrasonically welded and a galvanized metal mounting plate. With 8 high-brightness SMD LED bulbs per unit for the side lights and 12 LED bulbs for the downlight, these lights are super bright with low power draw and long-life. These marker lights also feature a dual brightness setting, allowing you to connect the white wire for medium brightness or the yellow wire for full brightness. The industrial-grade waterproof treatment ensures efficient waterproofing and high temperature resistance, making them suitable for use in all conditions. The simple wiring method includes a black wire for the ground, white wire for medium brightness side light, yellow wire for full brightness side light, and a red wire for the downlight. With dimensions of 102 x 65 x 22mm, these LED marker lights are compact yet powerful. Upgrade your truck or machinery with our reliable and high-performance LED marker lights today.