Features: H4 automotive headlamp intensifier increases brightness, extends lamp service life, improves night driving safety, and protects wiring and related electrical components. This is a halogen H4 headlight relay harness with high-heat ceramic connectors for automotive use. Includes two headlights (high and low beam plug-and-play harness) to increase headlight output by 30% to 50%. High-temperature and high-pressure resistant wiring for enhanced protection. Protects original vehicle wiring. Easy installation without modifying the original circuit. Specifications: Material: Ceramics Voltage: 12V, 24V (optional) Rated Current: 80A Size: Approx. 15 x 3 cm / 5.91 x 1.18 in Net Weight: 320g Note: Please allow 1mm error due to manual measurement. Due to differences in monitor displays, the image may not reflect the actual item color. Package includes: 1 Set H4 Headlight Relay