A220 ——Deadbolt Smart Lock with TTLock App

Features: Perfect for homes with kids, frequent visitors, vacation rental guests, maintenance or housekeeping staff even office employee, short-term rental hosts, rental property management, and self-housing resident. You will be able to control your Deadbolt Lock with only one smartphone. Generate passcode remotely and share it to your visitors.Lock/unlock your smart door lock anywhere anytime, set up codes remotely and check real-time access logs. Bluetooth Access：Manage A220 Bluetooth Smart Lock from your phone when you are within Bluetooth range. Lock and unlock the door, add or remove users, control access and monitor usage - all from your smartphone. Fast unlock: 1~1.5 seconds unlock by IC Card, passcode, APP, wristband, mechanical key. The Doorlock make it more flexible  Remote Control: Connect G2 wifi Gateway（hub）will support the smart door lock. It is a tool for you to open the lock with app remotely even in far distance. Even without it, you can still send passcode or ekey and give access to others to open the door, check the door opening records, and manage your keys on app. Hub is an optional tool. Longer Life’s pan: Both the front and back panel of this Smart Digital Door Locks are made of Aluminum, ABS, Acrylic.  A220 smart deadbolt lock requires 4 AA batteries for operation (Not Included).which use in 10000 times normal unlock (12 months) YRHAND Model:  YRHAND A220    Specification: Material：Aluminum, ABS, Acrylic Color：Gray./Black/Sliver Door Thickness: 35-55mm Communication：Bluetooth 4.0 BLE Support OS: iOS 7.0 or above, Android 4.4 or above Battery Life: 10000 times normal unlock (12 months) Power Supply: DC6v:4pcs AA alkaline batteries(battery is not included） Static Current: 45uA Dynamic Current :< 200mA Unlock Way: IC Card, passcode, APP, wristband, mechanical key Unlock Time:1~1.5 seconds Working temperature: -20~50 degree Working humidity:10%~95%