. 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. 16 LED light sources enhance nighttime visibility and improve driving safety. High light transmittance: High brightness, good light purity, and strong penetrating power. Provides bright illumination for warning and signaling purposes, increasing driving safety. Water resistant, shockproof. Bright and durable lights, ideal for replacing old LED tail lights or side lights. Constructed with high-quality PC lenses and chrome-plated shells 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 bright yellow light, Red wire brake light (high bright red), Green wire driving 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 picture.