What night vision and low-light features does this camera have?

The camera includes built-in IR LED illumination, an IR cut filter, smart IR with 4 controllable zones, and IR night vision up to 15 m (50 ft).

What kind of coverage does the Ubiquiti UniFi G6 Pro 360 camera provide?

It provides panoramic 360° coverage with a fisheye lens, and its field of view is 180° horizontal, 180° vertical, and 180° diagonal.

double click image to zoom in

Ubiquiti UniFi G6 Pro 360 12 Megapixel Network Camera - Color - Fisheye - White - UVC-G6-Pro-360-W

All-weather, vandal-resistant 12MP PoE camera with panoramic 360° coverage, digital pan-tilt-zoom functionality, and smart IR functionality. IR Night Vision: 15m (50 ft), Smart IR (4x controllable zones). Resolution: 12MP (3504 x 3504, 1:1)