Digital Signal Processing (DSP) for enhanced security Weatherproof design for indoor and outdoor applications Integrated piezo buzzer & bicolor LED The use of quick connect terminal blocks allows for easy wiring and saves you time and money Use the keypad???s * and # buttons in conjunction with the EntraPass software to arm and disarm external alarm panels High endurance braille keypad Integrated keypad models are ADA-compliant and based on the 8-bit burst industry standard Kantech XSF readers are compatible only with Kantech software, with access to over 4 billion unique codes that provide increased security and an absolute guarantee against card duplication Format: eXtended Secure Format (XSF) Color: Black