TTlock Smart Lock 5 in 1 Anti-theft Stainless Steel Door knob App Smart Home Room Rental Check-In Apartments Hotels Residential Buildings Schools APP Remotely Unlock/Touch Password/Key/Card/Door Knob Stainless Left Or Right

IF YOU NEED INSTALLATION SERVICES, THE MANILA AREA CAN PROVIDE INSTALLATION SERVICES FOR A FEE, PLEASE NEGOTIATE WITH THE CUSTOMER FOR DETAILS.Installation* Follow hole drilling pattern and assembly instructions in the manual* Warning! Before closing the door, make sure to test and unlock first via the included physical key and other methods so won’t be lock out.* Use AA Alkaline battery. Other batteries such as rechargeable and Lithium is not suggested as the low battery warning would not work properly.How to use* First download the mobile TTLock app from the Apple Appstore or Google Playstore.* Open the TTLock app and register an account.* Touch the touchpad of your Lockifi smart lock to initiate, then add your device in the TTLock app.* In the app, you can now add your card, fingerprint, custom code, and etc.* Go to the settings page to modify function of your smart lock as needed.* Also do calibrate the time of your Lockifi smart lock to make sure generate passcode works properly.* Test all unlock functions.