The TK2502 Automotive Lighting Lux Meter is the lux meter engineered for showcasing complete headlight performance. This advanced dual-sensor system simultaneously captures both lux and candela measurements at hi and low beam, providing complete light distribution data in a single test. Universal Compatibility: Optimized for all headlight technologies including LED, HID, halogen, and projector lens systems. Advanced Measurement Capabilities: Lux (Illuminance) - Surface brightness measurement Candela (Luminous Intensity) - Light source intensity measurement Beam Distance Analysis - Effective illumination range Real-Time Data Visualization - Live plotting of lux and candela values to show light decay. Built-in Timer Function - Automated measurement intervals for consistent testing Technical Specifications: Dimensions: 10.2" L × 9.1" W × 3.1" H (26 × 23 × 8 cm) Weight: 6.6 lbs (3 kg) Cable: 10 meter Beam pattern distribution screen: file sent via email (not physical screen) Warranty: 1-Year Limited Warranty with full manufacturer support