The products sent from China is support 8 language free changing-over.                                Support Arabic / English / Indonesian / Portuguese / Russian / Spanish / Thai / Vinetnamese                                        X1 Biometric Fingerprint Smart Electronic Door Lock Tuya APP Remotely IC Card Password Key Unlock Built-in Eight Language Voices                                Support 8 Language voice free changing-over                Both Support Tuya / Smartlife APP Fingerprint / Password / Smart Card / Key Unlock Temporary Password Timed Password Support Normal Open Mode (access free) Diffrence Mortise Lock Size English Voice Frosted Shell Universal Both for Right or Left Door For 35-55mm Door Thickness                        Specifications:          Model: X1 Support Wifi connecting: Tuya Version Material: Aluminium Alloy Unlock mode: APP / Fingerprint / Password / Smart card / Key Fingerprint read: FPC Sensor (Semiconductor Sensor) Color: Gold / Black Card User: 100 Fingerprint User: 100 Chip Type: Dual Core Driver Read time: 0.3seconds Touch screen: IML Material Working power: 4 x AAA 1.5V batteries (not include) Operating temperature: -25 to 55 Centigrade Password function: support virtual password Suit for the door thickness about 35 -55mm         System Voice: Arabic / English / Indonesian / Portuguese / Russian / Spanish / Thai / Vinetnamese                  Support 8 Language Voice free changing-over         Noted: The products sent from Overseas warehouse is still support English,only sent from China is support 8 language voice                                               Battery box in the back handle, use 4pcs AAA 1.5V battery. (battery not include)                                                  Inside Locked Switch:         If turn on this switch, commond user can not open lock by Fingerprint / Password / Card from outside. Unless the Admind User can open lock from outside.                                                                                                Tuya APP Function:         1.Connect to the wifi direct, not need any gateway; 2.Unlock remotely by phone APP; 3.Get the unlock record when someone open the lock; 4.Make the temporary password / timed password in APP                        APP Screen shot details:                                                                    About Installtion:         This lock suit for the door thickness 35-100mm door thickness.