The HBK-D01 is a 125KHz RFID card reader that uses an ST MCU to ensure stable performance and low power consumption. It has a maximum reading distance of 6cm, is waterproof and conforms to IP66 standards. It is suitable for safety door systems, easy to connect and use. It has ultra-low power consumption, with a standby current of less than 50mA. It supports wiegand 26bit or wiegand 34bit output formats. It has a fast response speed, with a door opening time of less than 0.3 seconds. It is widely used in factories, houses, residential quarters, offices, mechanical and electrical control equipment, etc.