1、Hd Pixels: R503Pro fingerprint identification module has HD pixels up to 192 x 192p, providing clear and accurate fingerprint images in daily use. 2、USB Interface: Fingerprint module can be connected to other devices through USB communication interface, which is flexible and convenient. 3、Waterproof: Fingerprint identification module is designed to be waterproof and can be used reliably in wet or humid environments, up to IP65 level. 4、High Accuracy: When identifying and verifying fingerprints, the R503Pro module enables fast and accurate fingerprint recognition, providing a high degree of security. 5、Multifunctional: Fingerprint recognition module is suitable for various security verification scenarios, such as access control system, attendance system, etc.