this link..
https://m.intl.taobao.com/detail/detail.html?id=572675523950&spm=a2141.7631565.item_rank_list_19189228858.572675523950
previously the seller sold two glass coverage versions for S9+, which is the WSD version and the increased coverage version which covers the front camera and iris scanner. the WSD version was advertised as the more case friendly version due to a more shallow coverage of the glass along the edge of the display as well.
but currently he is only 1 variant of tempered glass for the S9+ which further improves itself by providing full coverage on the front but less deep side glass edge coverage to fit most cases.
the UV light provided by the seller is the big type used by WSD that is powered by micro USB, not the small weak type given by other China sellers. if you already have the UV light you can place your order and chat with the shop to exchange the UV lamp for another set of tempered glass + LOCA glue.
IMHO their oleophobic coating is very significant and quite lasting.
in the pic below I've circled the 3piece + UV lamp and 4piece + UV lamp versions.
Sent from Samsung SM-G965F using GAGT