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 enhance nighttime visibility and improve driving safety. High light transmittance: High brightness, good light purity, and strong penetrating power. Emits bright illumination for warning and signaling purposes, enhancing driving safety. Water resistant, shockproof. Bright and durable lights, ideal for replacing old LED tail lights or side lights. Made 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 for yellow light, red wire for brake light (bright red), green wire for 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 may vary from the image.