1.Five-in-one to unlock, Access by App, Fingerprint , M1 Card, Pass code, Wristband or key 2. (Easy to install) A easy-to-follow instruction would help you to install your smart door lock easier. You could adjust the handle as left-side or right-side as your favor. 3. (Convenient to control),Through APP, you could check the unlocking records, also you can share the temporary code/ekey with visitors, nannies, house keepers, tenants, guests, etc. 4. APP unlock remotely, our lock Works with G2 gateway to connect home network. 5.Emergency battery back-up, Our electronic door lock would alarm if it is in low battery., Manufacturer: DMETE