The Pach & Co UWCR Upgrade Kit features a 26-bit Wiegand proximity reader designed for reliable access control. With a detection range of up to 2", it ensures convenient and quick authentication. The reader is solid epoxy potted, providing durability and protection against the elements. It includes an external LED and buzzer for clear feedback and is suitable for both indoor and outdoor use. Upgrade your security system with this versatile and robust kit today!