This product is a professional-grade four-wheel aligner designed for measuring and adjusting wheel alignment angles on passenger vehicles and light commercial vehicles. Featuring high-precision CCD or 3D stereo imaging measurement technology, it captures key alignment parameters including toe angle, camber angle, and caster angle in real time, with measurement accuracy up to ±0.01°. Equipped with user-friendly Chinese/multi-language software and an extensive built-in vehicle database, it supports alignment data lookup and comparison for multiple brands. Ideal for 4S dealerships, tire service centers, and professional chassis tuning shops.