800/880 Series topside control manufacturered for Sundance/Jacuzzi tubs and Will run 2-3 Pump System w/Blower. Keypad is a Trapezoid with LCD display and measures 12" x 4.5". 11 button overlay included (Temp+, Temp-. Invert, Light, Blower, Jet1, Jet2, display, Program, Select, Cycle). Comes with 10 Pin Ribbon Plug w/8' Cable & Aux Ribbon Cable. This keypad is compatible with the following series/system(s) - Sundance Proprietary 850/880 Series Control Systems. Also found in the following spa models - Sundance Models (2000-2008) Optima, Marin, Cameo, Altamar, (2005-2008) Maxxus (Pump 2 Button Operates Both Pump 2 & Pump 3), (2005-2009) Marin.