Specifications ColorBlackMaterialAluminum Alloy IMDSize265 59 25mmPower Supply4 AA Batteries not included USB Emergency SupplyundefinedFingerprint Capacity100pcsPassword Capacity100 groupsCard Capacity100pcsAppTuya smart smart lifeNetwork2 4G wifiDoor Thickness35 60mmUnlocked WaysFace Fingerprint Password Card Key AppFeatures 1 Built in 3 5inch HD Screen and 120�° ultra wide smart cat s eye surveillance camera and smart doorbell take pictures and videos automatically 2 When the guest presses the doorbell the fingerprint lock will automatically take pictures andpushtheinformation to the mobile phone APP click on the information to choose whether to openthedoorfortheguest remotely 3 View the door opening record on the mobile APP 4 5 unlock ways Fingerprint Password IC Card Mechanical Key APP 5 Carved alloy Material Built Strong enough to protect your home 6 Indoor electric reverse lock button gives you one more protections 7 Emergency power supply in case of lost power 8 Supplied by 4 AA batteries not included it can work about 6 10 month 9 Suit for lots of door type Wooden door stainless steel door bronze door Double door Old fashionedsecurity doors with 35 60mm door thickness 10 Left Open and Right Open All compatible Package Include 1X Front Panel1X Rear Panel1X 5050 Lock Body 160 2X Keys2X IC Cards1X Manual1X Bag of Screws