Perfect for smaller applications such as convenience stores, storage rooms or parking lots, the ioPass SA-550 is a self-contained stand-alone controller with an integrated 26-bit Wiegand ioProx proximity card reader. It can store up to 1,000 users and is programmed directly from the keypad. All commands are displayed on the 16-character, 2-line LCD. It supports up to 8 different door configurations (door access schedules, door unlock schedules, etc.). The door configuration data can be transferred to any number of SA-550 controllers via a USB key.