Yale Real Living Assure Lock deadbolts provide versatility and convenience for securing your home. The locks can operate as standalone electronic deadbolts or be upgraded with a Z-Wave or ZigBee Network Module to work with your smart home.SPECIFICATIONS Create up to 100 unique pin codes to share with friends and family (25 without a controller). Keypads wake with a touch and feature backlit numbers that won't wear off. Key free model features a 9V battery terminal for emergency charging. When upgraded with a Yale Network Module: Z-Wave and ZigBee models enroll with most home automation and alarm systems with just the push of a button. Lock and unlock remotely, view access history and share access rights from your smartphone with most Z-Wave and ZigBee systems.