"This Unit can be Hard-Wired to Virtually any Wall or Ceiling Double-Gang Box-110v/Connection."

Feature include:
Recessed on/off switch -to prevent accidental shutoffs.
Dimensions - 4 1/2" x 4 1/2" x (1/2" exposed). 1 1/2" recessed in.
2 Models - choose the right ozone output for your room size.
24/7 Operation -silent, no fan, whisper quiet continuous operation.
2 Watts -runs 24/7 with less than 2 watts/hr. less than a night light.
100% Guaranteed -30 day money back guarantee-no questions!!!
Maintenance -change the easy to replace cartridge every 6 months.
100% Natural -patent pending ion wind technology!!!
Warranty - 1 year- parts/labor and a 30 day money back guarantee!!!