Features 1,Unlocking Method: Support APP, password, swipe card, and key, a variety ways of quick unlocking door, very intelligent, save the trouble of carrying keys. 2,APP Operation: Only need to connect the device through the mobile APP (for TTLocK) to unlock and lock, easily set the password and unlock, simple and convenient operation. 3,Home Protection: Protect your privacy with advanced encryption technology, providing accurate and reliable access control to protect your family and property. 4,Multiple Authorization: Supports multiple users, and can authorize passwords, fingerprints, IC cards, etc., to family members, friends, or tenants for easy access and management. 5,Beautiful and Durable: Lock handle with spherical design, stylish appearance, suitable for a variety of indoor wooden doors, while durable, can be used for a long time. Specification Item Type: Intelligent Lock  Material: Aluminum alloy and copper Opening Method: (for TTLocK)APPand password and key and swipe card Password Capacity: 30 passwords Rf card Capacity: 200 IC cards Battery Type: Alkaline battery Battery Model: AAA. battery (Shipped without batteries) Battery Number: 3 Package List 1 x Lock 2 x Key 3 x Access Card 2 x Accessories 1 x Instructions Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.