Bullet_point: ['Installs in minutes with just a screw driver - no hard wiring needed; ANSI/BHMA grade 2 certified; full 128-bit encryption security', 'Motor-driven deadbolt latch allows for true remote locking and unlocking', 'Please refer user manual available under technical specification for troubleshooting steps', 'Requires 4 AA batteries, purchased separately; Fits standard doors (1-3/8in. – 2in.) no new screw holes required', 'Z-wave enables the lock to wirelessly communicate with other devices in home'] (Page 1)