Brand Name: L.AOL.AU Origin: Mainland China Ways To Unlock: App Ways To Unlock: Mechanical Keys Ways To Unlock: CARD Ways To Unlock: WiFi Ways To Unlock: Password Ways To Unlock: FINGERPRINT High-concerned chemical: none Material: Aluminium alloy Model Number: B05 Power Supply: DRY BATTERY Suitable Door Type: Wooden Door Special Features: Support Gateway Certification: CE Certification: FCC Certification: RoHS Doorknob Funcition: Biometric Doorknob Funcition: Key & Keypad Finish Type: Powder coated Handle Direction: Direction Reversible Protection Level: IP67 Smart home platform: Other Included Components: yes Fit Door Thickness: 35-55mm Battery not included: 4pcs*1.5v AA battery Support: USB Emergency Battery open the door Support: Phone NFC Function open the door Choice: yes