Key Pad - PowerSeries 64-Zone LCD Picture Icon Keypad PK5501 Modern, slim-line landscape keypad Enlarged keypad buttons 5 programmable function keys Input/Output terminal can be programmed to operate as a zone input, programmable output or as a low temperature sensor Individual FAP keys Multiple door chime per zone Adjustable backlight and keypad buzzer Wire channel Dual wall-mount and front cover tamper Easy-to-install mounting hinge Surface or single-gang box mount New AC status ICON Available with English Function Keys RFK5501 includes all of the same features and supports 32 wireless zones and 16 wireless keys