Waterproof: This tail light has good sealing, strong water resistance, and impact resistance for durability. Sleek appearance, easy to install. Energy-saving: LED with low power consumption, energy-efficient. Features 16 LED light sources to improve nighttime visibility and enhance driving safety. High light transmittance: High brightness, pure light output, and strong penetration. Provides bright illumination for improved warning and signaling performance. Water resistant, shockproof. Bright and durable lights, 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; Yellow wire – yellow light; Red wire – brake light (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 may vary from the image.