With potted electronics and compact design, this HID ProxPoint Plus Gray Mini Mullion Access Control Reader, is perfect for both indoor and outdoor use. The proximity reader can be mounted directly onto metal without affecting read range performance and features standard 00 configuration, plus various LED and beeper configurations. This cost-effective proximity reader also features a 125 kHz transmit frequency, is compatible with most access control systems and delivers a reliable performance you can count on. A proximity reader is part of an overall access control solution that would also include a door controller, door hardware and accessories.