Liberty Safe's Safe Monitor provides peace of mind when you're away. This gun safe accessory allows you to remotely monitor your safe's status by keeping track of factors such as movement, vibration, door activity, temperature and humidity - all of which is viewable from a smartphone or tablet. The Safe Monitor Provides Real Time Alerts For: Temperature fluctuations beyond set points. Humidity levels outside the acceptable range. Laser-detected safe door openings. Vibrations indicating potential break-in attempts. Liberty Safe Safelert Monitor 17657