Open Box item with a couple of small markings on the plate(please see that last 4 pictures)

Tested, working

3D Face Recognition Smart Door Lock, Slim Door Smart Lock, Fingerprint, Passcode, IC Card, APP Control, Waterproof and Rechargeable, for Front Door and Gate

Material : Zinc Alloy

Unlocking Way : Key , Card, Passcode , Fingerprint , 3D Face , NFC , Tuya wifi.

Battery : 3200mAh Recharge Battery.

Fingerprint : Under-screen fingerprint (waterproof)

Emergency Power Charge: Type C USB Charge

Total capacity: 200pcs (card + pasccode+fingerprint +3D Face)

Language : English, Spanish

Available door: 30-70mm thickness, Wooden door, Steel door, Stainless Steel door, Aluminum door

Alarm: Tamper alarm, Low battery alarm, Wrong-Try lockout

Operating humidity: 15~93%RH

Applicable working temperature: -20℃~70℃