Bluetooth compatible for connecting with the Alfred Home App in your smartphone to control the lock activity and settings locallyCompatibility with the Alfred Connect V2 Wi-Fi bridge (sold separately) allows you to remotely control the lock through the Alfred Home App, when you are away from home or out of Bluetooth range.Auto re-lock feature with 4 adjustable time settings makes sure that your door closes automatically when it is left open longer than the time setBuilt-in RFID card reader with 2 RFID Tags (included) and storage capacity of up to 250 unique cards and 250 Pin codes let you effortlessly lock and unlock the doorsPowered by rechargeable lithium-ion battery pack that ensures a longer usage time per chargeDIY-friendly smart lock with a fully digital install process powered by BILT makes installation easyOffers 4 different ways including Pin Code, RFID card, Key override, or Mobile App, to unlock the doorAllows creating unlimited digital Bluetooth keys within the Alfred Home App to share with friends, family, or rentersWorks with Google Assistant and Amazon Alexa for easy control through voice commands (When connected with an Alfred Connect sold separately) Sophisticated design with Black Chrome bezel and illuminated touch screen perfectly suits your modern homeBuilt-in low battery warning on both the touchscreen and within the Alfred Home App alerts you when the battery level is lowEmergency USB-C power port located on the outside panel in the case where you have a complete dead battery which allows you to plug in a power pack (sold separately) to boost the lock enough to get in to change your batteryAdd an Alfred Z-wave module (sold separately) for connecting with 3rd party smart home hubs like SmartThings, Vera, Ezlo, Ring Alarm, and Hubitat