Compact Portable: The gun safe for handgun is compact and portable design, easily fits in a backpack or suitcase for travel. 3 Ways to Access: With biometric, passcode and keys to quick access. 50 fingerprints and 8 passwords. Temp Humidity Battery Display: You can accurately and quickly know the gun safety box of temperature and humidity. Temporary Power: Includes a built in emergency USB C power supply in case the battery failure or keys missing. It comes with a cable to secure it down, can be cabled to something solid to keep it from being snatched too easily A Must Have If Have Kids: Keeping guns from being freely accessible to kids.