Waterproof: This tail light has good sealing, strong water resistance, and impact resistance for enhanced durability. Sleek appearance, easy to install. Energy-saving: LED technology offers low power consumption, helping conserve energy. Features 16 LED light sources that improve nighttime visibility and enhance driving safety. High light transmittance: Delivers high brightness, excellent light purity, and strong penetration. Provides bright illumination for improved warning and signaling performance, increasing overall driving safety. Water resistant and shockproof. Bright and durable lighting solution, ideal for replacing old tail lights or side lights. Constructed with high-quality PC lenses and chrome-plated housing for reliable performance. Package Includes: 2 x 16LED Cargo Truck Trailer Tail Light Specifications: Material: PC Size: Approx. 14.3 x 10.4 x 4 cm / 5.6 x 4 x 1.58 inches Color: Red and Yellow / Red and White Model: MK-127 Voltage: 12-24V Number of LEDs: 16 Connection method: Black wire – negative pole; Yellow wire – turn signal (bright yellow); Red wire – brake light (high bright red); Green wire – running light (low bright red) Note: 1. Please allow 1-2 cm errors due to manual measurement. Ensure you are comfortable with this before ordering. 2. Due to differences in monitor displays, the actual color of the item may vary from the image shown.