F21 is the first time & attendance and access control terminal applying the most advanced SilkID technology. Utilizing the world’s cutting-edge 3D Neuron Fingerprint Algorithm, it authenticates dry, wet or rough fingerprints with remarkably high accuracy and efficiency, which solves the problem of time-consuming punch-in especially for large enterprises. Its Multi-Verification Mode including fingerprint, PIN and card provides users the utmost security protection. Equipped with Infrared Technology, the device operates automatically once fingerprint is detected, reducing unnecessary electrical usage thus saving energy.

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