Smart exterior door lock supports Bluetooth and Wi-Fi if there is an additional device. It can be controlled via the app. 6 ways to open the door. 1 - Open remotely via mobile. 2 - Open via fingerprint. 3 - Open via passcode. 4 - Open via electronic card. 5 - Open via normal manual door key. 6 - Open the lock with a code. With installation 480. Saudi technician 👍