Listings commonly describe LED illumination with modes such as steady or twinkle. Other described effects include swirling multicolor or kaleidoscope-style lighting. Light-up tabletop figurine styles also appear, sometimes offered as part of multi-piece sets.
Common finishes include two-tone amber embossed mercury glass and gold-toned mercury crackle. Descriptions emphasize a shimmering, mercury-glass or crackle-glass appearance.
Both: you can find single-piece decorative trees as well as multi-piece sets. Example listings include 6-piece sets that combine multiple tree styles with additional decorative pieces such as mercury crackle glass balls.
Product details consistently list these items for indoor use only.
Listings suggest using them on mantels, side tables, and as general room decor in living rooms and bedrooms; they are also shown in commercial settings such as hotels and office spaces.