850 Series topside control manufacturered for Sundance/Jacuzzi tubs and will run 1 Pump System w/Blower. Keypad is a Trapezoid with LCD display and measures 12.6" x 4.7". 10 button overlay included (Select, Cycle, Mode, display, Screen Invert, Light, Jets, Blower, Temp up, Temp Down). Comes with 10 Pin JST Plug w/ 8' Ribbon Cord. This keypad is compatible with the following series/system(s) - Sundance Proprietary 850 Systems. Also found in the following spa models - Sundance Models (2001-2012) Capri.