The ZKTeco BUTTON02K is a versatile RFID card reader with an integrated keypad designed for secure access control applications. It supports MIFARE cards and other compatible RFID technologies, and offers Wiegand 26/34 and RS485 communication protocols. This device can handle up to 10,000 users and store up to 100,000 events. It features a backlit 4×4 matrix keypad, making it user-friendly in low-light environments. With an IP65 rating, it is resistant to both dust and water, suitable for both indoor and outdoor environments. Additionally, it includes LED indicators and a buzzer for status notifications.