Genie Garage Door Openers GKCA-BX Replacement Gray Color Keypad Cover ONLY Genie Garage Door Openers GKCA-BX Replacement Gray Color Keypad Cover ONLY. This is a replacement cover ONLY. Compatible with GK-BX Wireless Keyless Entry System This is NOT a complete Keyless Entry System. Cover easily removed without tools. Made of tough, weather resistant plastic. Keypad covers include basic use instructions for programming.