Waterproof: This tail light has good sealing, strong water resistance, and impact resistance for durability. Sleek appearance, easy to install. Energy-saving: LED technology provides low power consumption, helping save energy and fuel. 16 LED light sources enhance nighttime visibility and improve driving safety. High light transmittance: Offers high brightness, excellent light purity, and strong penetration. The lights provide bright illumination for improved warning and signaling performance, increasing driving safety. Water resistant, shockproof. Bright and durable lights, ideal for replacing old LED tail lights or side markers. Taillights are 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; 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 may vary from the image shown.