[Product Upgrade] The upgraded Partsam dual-color roof light has both amber and purple light for options, 21pcs 2835-LEDs draw less current, generate less heat, and are brighter. (12 Volt) [High Quality] Heavy quality clear PC lens, Upgraded internal injection silicone sealing process, extra-long wire length, making wiring connections hassle-free with Screws. Keep Your Vehicle Well-Marked and Safety Ensured. [Waterproof] This cab marker light is rated IP67 waterproof, making it suitable for use in various weather conditions. It is designed to withstand sand, dust, dirt, water, snow, and other types of inclement weather, providing reliable performance and durability. [Easy to install] NOT Plug and Play, this Top Light is Hardwired; the Light is supplied with 3 wire leads for ground and hot wire. black wire + amber wire is Amber light and black wire + purple wire is purple light. [Application] Replacement dual-color 21LED Clear Lens for Torpedo style cab marker lights. Partsam Cab Light, 5Pcs 21 LED Dual Color Chrome Torpedo Cab Marker Roof Running Top Light, Replacement for Heavy Duty International Truck, for Kenworth/Peterbilt/Freightliner/Mack (Amber/Purple)