3-in-1 Convenience, Peace of Mind Security. Unlock your way with fingerprint, keypad, or key. For added security, the door automatically locks after 5 seconds of inactivity. You can also lock it instantly with a press of the enter key. Built-in Anti-Peep technology lets you scramble your passcode with random numbers, keeping your entry code private Unlock Your Door in a Flash. Advanced, Lightning-fast fingerprint recognition puts convenient and secure keyless entry at your fingertips. With its built-in intelligent learning capabilities, the more you scan your fingers, the faster you can unlock and the more accurately it recognizes your fingerprint ID DIY Friendly & Effortless Setup. Upgrade your security in minutes following the 4-step installation using a Philips screwdriver. This keyless door lock fits most US doors. Using 4 x AA Alkaline batteries (NOT included) from a well-known brand could provide up to 1 year of battery life. If the battery runs out, you can connect your po