Ultimate security to work from anywhere The industry's most secure commercial PCs offering Dell Safe ID, Dell SafeBIOS, fingerprint readers, TPM chip and lock slot options are tested and pass MIL-STD 810H tests Intelligent privacy features from Dell Optimizer help keep sensitive data private Onlooker detection notifies you when someone is peering at your screen and will texturize your screen Look Away Detect knows when your focus is elsewhere and dims to further protect privacy and save battery life ExpressSign-in detects your presence and wakes up your system and locks your PC when you walk away Optional tamper-evident seals to protect PCs during transit and a NIST-compliant hard drive wipe helps businesses ensure their device has a clean slate before adding the company image