The keypad reader is perfect for indoor/outdoor applications and offers users the flexibility of using everyday proximity credentials or PIN numbers to gain access to secure areas. Add an extra layer of security with two-factor authentication, requiring users to present proximity credentials and enter a PIN number to gain access.The Keypad Reader is a Wiegand output keypad with an integrated proximity reader. The keypad is backlit with a built-in Light Dependent Resistor* (LDR) sensor for anti-tamper security. Because it’s waterproof, it can be mounted either inside or outside in harsh environments.