👍【SMART TTLOCK APP】The Smartlock reads fast and has automatic locking.The Keyless Entry Smart Lock has multiple unlocking methods: Bluetooth, APP, virtual button, and mechanical key 💾【EASY TO PROGRAM】This smart lock entry door lock with a keypad uses a plethora of digit codes which provides greater security protection 🔧【EASY INSTALL - NO WIRING】No hard wiring required, just determine the direction of the lock. This is durable and resistant to most weather but better to avoid direct exposure to rain. High flexibility to adapt to the conditions of the fingers, whether they are dry or wet ⛑️【HIGH SAFETY LEVEL】Easy to install codes because If you are away from your home & need to let people in & out of your home there's no better product. Double verification mode increases lock security level significantly 🎍【STYLE TO YOUR HOME】This digital door lock offers a crisp perspective on brushed silver design with its satin nickel finish and oval-shaped feature which would complement any decor style from traditional rustic homes to modern contemporary places. Our product comes with the programming instructions MATERIAL: Zinc alloy EXTERIOR LOCKING ELECTRONIC DEADBOLT. Unlock with a key or a password. Can replace mechanical locks directly, without needing to reopen the whole keyless entry. In any scenario, you have the best unlocking method to choose from. It is so convenient for your family members and friends. Durability and Security; Zinc alloy is suitable for standard doors and is very easy to install and set up. Unlock with a key or a password. Can replace mechanical lock directly. EXTERIOR LOCKING ELECTRONIC DEADBOLT: Add & delete codes using the keypad. Durable mechanical and electronic engineered features won’t let you down, you can count on fast unlocking, long term durability, anti peeping user code protection, low battery indicator, solid lock cylinder and premium metal construction. Operates surprisingly smoothly. The Deadbolt travels easily and accurately. It's quick and accurate