JXS391 is a professional intelligent automotive diagnostic device designed for auto repair workshops and technicians. Equipped with customized TCOS system (Android 10.0), it brings immersive user experience. It supports CANFD, DOIP, J2534 diagnostic protocols to realize full‑system & full‑function vehicle diagnosis. Built‑in EV diagnostic software, with optional new energy expansion package for battery pack diagnosis and 6 new‑energy maintenance functions. Supports TC+ original factory‑level diagnosis & coding for domestic vehicles. Expandable with endoscope, oscilloscope, tire pressure tool, PROG 2, TKey 101. Works with THINKCAR TPMS tools for tire pressure monitoring diagnosis. Comes with 41 special maintenance functions for daily car repair. Product Specifications（参数表） • Operating System: TCOS System (Android 10.0) • RAM: 4G • Storage: 128G • Battery: 12600mAh / 3.8V • VCI Module: THINKCAR Star‑Link Navigator Version • Display Screen: 10.1‑inch • Rear Camera: 13‑megapixel • Network: Wi‑Fi • Bluetooth: Dual‑mode 5.1 • Operating Temperature: -10℃ ~ 50℃ • Storage Temperature: -20℃ ~ 60℃