Signature Series Powerbolt 2 Electronic Deadbolt (99070-102) by Kwikset with Polished Brass finish. Enter the house with a personal code, store up to 6 unique user codes for anyone needing to get in. Easy to install with just a screwdriver and fits most standard doors. Deadbolt operated by electronic keypad or key from outside and thumb turn inside; Alarm sounds after 5 consecutive entries and the keypad is deactivated for 45 seconds. Mastercode feature for increased security. Operates on 4 AA batteries. Also features SmartKey re-key technology as the back-up keyway.