This Compact Deluxe air Control pack is manufactured as an easy to install spa replacement control for most air or digital spa controls. 110/230 Volt hot tub Control will operate a single 2 Speed Pump, Air Blower, 12 volt Light and 120 volt Ozonator. FEATURES: Rust Free Aluminum Box 9" high, 15 1/2" wide at Heater. Adjustable Legs, can be removed for low profile. Stainless Steel Heater., 110/230 volts 1.5kw/5.5Kw, 24 Hour Timeclock, Thermostat, Pressure Switch (safety devise), Controlled By Air Buttons (requires 3),