Upgraded from the world's first three-axis PTZR 4K camera, OBSBOT Tail 2 ADV is a professional AI-powered PTZR live production camera for teams shooting at a distance with limited crew. It combines a 21x optical zoom lens (40x hybrid) with AI Tracking 2.0, which recognizes and follows people, 30+ animal types, and 200+ object types, auto-adjusting framing and zoom as subjects move. Its three-axis gimbal adds a Roll axis to the standard pan/tilt design, enabling native, full-resolution vertical 4K@60fps recording and automatic level correction. The camera records 4K@60fps or 1080p@120fps, with HDR, dual native ISO and all-pixel phase-detection autofocus. It supports OBSBOT Log, LUT, and Timecode for professional color and multi-camera production workflows. HDMI 2.0, 3G-SDI, NDI|HX3, and multiple IP streaming protocols allow integration into existing broadcast and streaming systems.