Smart electronic fittings fit sedans, SUVs, commercial trucks and engineering vehicles to upgrade driving safety, entertainment and daily convenience. Rear vision cameras, parking sensors, dash cams and wireless chargers serve core practical demands, built with vehicle-grade chips and sealed waterproof housings to resist vibration, dust and extreme temperature fluctuations. Bluetooth audio modules, GPS navigation devices and tire pressure monitors deliver stable signal transmission and real-time data feedback for risk warning. Multiple voltage support covers 12V and 24V vehicles, with flexible wired and wireless mounting structures for simple retrofit. All hardware passes strict reliability testing, supporting customized wiring, lens parameters and power output. Anti-interference circuit design and long service life suit private car refitting, logistics fleets and bulk overseas procurement across global markets.