1、Support four ways to unlock, like fingerprint, password, IC card, and App Bluetooth. 2、Built with superior metal material, anti-rust, reliable and durable. 3、The number of unlocks is more than 300,000 times, the service life is 300,000 times, and the fingerprint storage capacity is 120 (piece). 4、Suitable for interior doors, wooden doors, room apartment doors, rental doors, and office doors. 5、This smart door lock will providing you with much convenience, no worry about the lost of key. Features: Support four ways to unlock, like fingerprint, password, IC card, and App Bluetooth. Built with superior metal material, anti-rust, reliable and durable. The number of unlocks is more than 300,000 times, the service life is 300,000 times, and the fingerprint storage capacity is 120 (piece). Suitable for interior doors, wooden doors, room apartment doors, rental doors, and office doors. This smart door lock will providing you with much convenience, no worry about the lost of key. Specification: Item Type: Smart door lock  Color: Silver Material: Zinc alloy Fingerprint Storage Capacity 120 (piece) Card Capacity: 200 APP: TTlock Unlock Mode: Fingerprint, password, IC card, App Bluetooth Number of Unlocks: > 300,000 (times) Scan Time: < 0.5(s) False Rate: < 0.00004 (%) Rejection Rate: < 0.15 (%) Working Temperature: -40-60 (°C) Working Humidity: 20-90 (%) Service Life: 300,000 times Applicable Door Thickness: Approx.35-80mm/ 1.38- 3.15in Power Supply: 4 x AA alkaline batteries(excluded) Application: Suitable for interior doors, wooden doors, room apartment doors, rental doors, and office doors Package List: 1 x Smart Door Lock (Inside and Outside) 1 x Lock Cylinder 1 x Pack of Screws  1 x Installation Kit (Include Two IC Cards) 1 x Instruction Manual2 x KeyNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.