High-Precision AS608 Optical Fingerprint Sensor This module uses the AS608 optical fingerprint sensor to capture clear and accurate fingerprint images, ensuring reliable biometric identification and fast response. Ideal for access control, security systems, smart locks, attendance devices, and DIY electronics projects. Designed for Arduino and Microcontroller Projects Fully compatible with Arduino and other popular microcontroller platforms (such as STM32, ESP8266, ESP32, Raspberry Pi via serial). Simple UART serial communication (TTL level) makes it easy to integrate into your existing hardware and software systems. Stable TZT Fingerprint Reader Module The TZT fingerprint reader module features a compact design, stable performance, and long service life. It includes image processing, feature extraction, and fingerprint matching algorithms built into the onboard chip, reducing the load on your main controller. Color: Black Material: plastic Package Contents: 1 set Fingerprint Reader Sensor Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.