Discover the power of convenience with the ICT RF-REM4-MF MIFARE Wireless 433MHz 4-Button Transmitter. Boasting a long range of up to 200 meters, this device ensures reliable control from a distance. Equipped with four buttons, it's perfect for access control and personal alarms. Attach it to your keychain for easy access wherever you go. Featuring standard Wiegand output and rolling code technology, it prevents duplication for enhanced security. Choose from optional DESFire, MIFARE, or HID proximity devices for short-range use. Plus, its hermetically sealed design makes it waterproof. Enhance your security setup today!