This UHPPOTE 125KHz RFID Standalone Door Access Control Keypad is the perfect choice for high security and quick response. It is full programmable from the keypad, allowing you to add/delete cards, set passwords, and more. The doorbell button supports external doorbells, and the high performance MCU ensures stable performance and a longer service life. This device can be used as a stand alone keypad, without the need to connect to a computer, making it ideal for use in factories, houses, residential quarters, offices, and mechanical and electrical control equipment. Get the highest quality and security with this UHPPOTE 125KHz RFID Standalone Door Access Control Keypad.