Built-in Wi-Fi allows you to lock/unlock from anywhere - no additional accessories required. Fingerprint-resistant, capacitive touchscreen with easy one-touch locking. Optional voice control offers hands-free convenience when using voice-enabled products Built-in alarm technology senses potential security breaches at the lock, while the low battery indicator offers advanced warning for battery replacement. Operating Temperatures outside is -35C to 66C and inside is -10C to 49C Easy to install with just a screwdriver. Unique Snap n Stay technology snaps the deadbolt onto the door so both hands are free during installation Guaranteed to fit standard doors. Comes with limited lifetime mechanical/finish and 3-year electronics › See more product details