Leviton 20A00-21 OmniPro II, Board Only OmniPro II security & automation control system - controller board only Use a tablet or smartphone app with zero monthly fees inside or outside the home to turn on lights, turn down the TV volume, or adjust the temperature Supports up to 176 zones of security, 64 thermostats, 31 rooms for lighting control (250 lights), and 16 access control readers UL Listed, CP-01 compliant security and fire systems for residential installations and UL Listed for security in commercial installations Leviton recommends professional installation on Security and Automation products. To find an installer in your area, please email dealer@leviton.com