Biometric authenticators, like fingerprint readers and iris scanners, are classic examples.

生物识别验证器，比如指纹识别器和虹膜扫描仪就是典型例子。

And this is where it's going to use the iris scanner as well as facial recognition in combination to give you more security.

它将虹膜扫描和脸部识别结合起来，给你更多的安全性。