T&C listed on the website:

WHK 1 Yr Celebration.
Special W HK Birthday rate. 2 nt MLOS, max 3 nt stay. $888 per person, min 2 pax, for Wond, Spec, Fab.
Pay $88 more per pax to upgrade to CCNR.

Includes 8 specials:
1. daily breakfast per person
2. $100 per person credit towards any spending in the hotel
3. One daily cocktail per person at Living Room
4. 1 complimentary in-room movie daily (per room)
5. 1 glass of champagne on Saturday night at 8pm at Living Room at the birthday celebration
6. Complimentary in-room internet
7. A special 1 year anniversary gift per person
8. Complimentary upgrade to a Spectacular or Fabulous Room (subject to availability; first come first served).