Features:

1. High Compatibility: The ZKTeco CR20 supports 125kHz EM RFID cards, making it compatible with a wide range of access control and time attendance systems.
2. Reading Distance: The reader has a reading distance of up to 5 cm, ensuring quick and reliable card detection.
3. LED Indicator and Buzzer: The device features red and green LED indicators and a buzzer for visual and audible feedback during card reading.
4. Plug and Play: The CR20 is a USB-powered device and supports USB 2.0 communication, making it easy to install and use with various devices.
5. Compact and Portable Design: With its compact dimensions and lightweight design, the CR20 is portable and easy to install in various environments.
6. Durable Construction: Made of high-quality ABS material, the CR20 is durable and suitable for long-term use.