Master Spa TP600 Keypad manufacturered by Balboa Water Group. Designed for 1-2 Pump Systems, Keypad is oval with LCD display and measures 7.1" x 3.5" overall. 6 button blank panel (No Overlay) You must purchase overlay for complete functionality. See suggested accessories below for overlay replacement. Comes with 4 Pin Molex Plug w/ 7' Cord. This keypad is compatible with the following series/system(s) - Master Spa Proprietary Control Systems by Balboa. Also found in the following spa models - Master Spa: Clarity Spas (2013-2020) CLS, CLS 1055, CLS 855L, CLS 855, CLS 738L, CLS 738, CLS 730L, CLS 730, CLS 524, Precision 8, Balance 8, Precision 7, Balance 7, Precision 67, Balance 9 | H2X Swim Spas (2011) Momentum 50, Trainer 14 | Legacy Whirlpool (2011-2015) Inspire SE, Enterprise SE, Intrepid, Inspire, Envision, Enterprise | Twilight Series Spas (2011-2014) TS 7.1, TS 6.1, TS 7.15, TS 67.15.