• Affords high reliability, consistent read range characteristics, and low power consumption in a single, easy-to-install package.• Features multicolor LED, internal or host control of the LED, and/or beeper and a beeper "off" switch for silent operation.• Provides Wiegand protocol interface compatibility with all standard access control systems.• Offers an optional, fully integrated personal identification number keypad for heightened security. Can be mounted to glass (using the optional glass mounting kit).