Features: - H4 automotive headlamp relay harness enhances headlight brightness, extends bulb lifespan, improves nighttime driving safety, and protects vehicle wiring and related electrical components. - Designed for halogen H4 headlights with high-heat ceramic connectors. - Supports both high and low beam functions; plug-and-play installation. - Increases headlight output by approximately 30%–50%. - High-temperature and high-pressure resistant wiring for added protection. - Preserves original vehicle wiring—no modification to factory circuits required. Simple, direct installation. Specifications: - Material: Ceramic - Voltage: 12V (24V optional) - Rated Current: 80A - Dimensions: Approx. 15 x 3 cm (5.91 x 1.18 in) - Net Weight: 320 g Note: - Slight measurement variations (up to 1 mm) may occur due to manual measurement. - Screen settings may cause color representation differences between the image and actual product. Package Includes: - 1 x H4 Headlight Relay Harness Set