The most secure way to protect your things from outside eyes is with a biometric safe.
What does biometric mean?
Biometric technology uses unique human characteristics as identification markers. Iris scans, hand and finger prints, facial scans, voice recognition, and DNA testing can all be used in biometrics.Of course, the most convenient choice of these, is the fingerprint.
We sell and service biometric safes!
Source: Wise Geek