Download the Yale Home APP and control your lock using your smart phone via app, you can: Unlock the door lock easily Yale Home App is an integrated security solution that controls the opening and closing of your Yale smart door locks through your smartphone application and provides real-time status monitoring of your home. Personalize your lock settings User-friendly interface to personalize your lock settings. Register Fingerprint, user pin codes & Bluetooth keys, as you want. Add a onetime user code for visitors like your parents whenever you are not at home to welcome them! Control your smart lock remotely via Yale Wi-Fi Bridge (optional) Remotely access your smart lock from anywhere. Able to track who accessed your door 24/7. Runs on 2.4 GHz Wi-Fi bandwidth. Receive alert notification Get notified whenever someone unlocks the door – this is especially useful when only your helper is at home for instance – the app will indicate the various timings the door is unlocked too! You will receive a notification when the lock is jammed or alarm is armed. Security Features Encryption Yale Smart Lock uses both Bluetooth Energy (BLE) technology encryption and TLS in our mobile applications. Authentication Yale Smart Lock offer an added level of security by requiring users to verify their identity with a second form, either an email or phone number. Other Operational Features One-touch Fingerprint Verification Method (Easy Scan)- 100 Users Easy Scan technology has been applied to Conveniently read a fingerprint in one touch to enter conveniently. Pin Code Access - 100 Users With YDM 4115, you do not have to worry about carrying anything with you. Even if you have forgotten everything, just type your PIN codes into the keypad and the door is unlocked. Mechanical key override - 2 Keys For emergency, it can also be unlocked with a mechanical key. Smart Keypad Keypad Displays functional operation with various patterns of light. Multiple Modes For multi-user environment, it can operate on Security (Master) mode where the master user can register and delete individual user while Normal mode controls all the users at one time. Strength Strong Lock body with hardened SS 304 bolts Auto Lock If you are sometimes forgetful, you can set your digital lock to automatically activate 5 seconds after you close the door - so you never have to worry whether you remembered to lock it again. ( Manual operation is also available) One Time Password Issue single-use temporary passwords for convenient visitor access. Code Scrambling If when you come to use your PIN code you are concerned someone is watching the numbers you type, you can scramble your code to make it much harder to follow. Just type in some random numbers before or after your code and the lock will still operate - but the number will be much harder to remember! Long Battery Life YDM 4115 comes with strong Alkaline AA batteries, which have been tested to run on an average of 3500 open & close operations. Emergency Power Even if your lock loses all its power, you can just attach a standard 9V battery that will bring back all the usual features of your lock, and giving you access to your home. 3 Minute Lock Out After five (5) unsuccessful attempts of an invalid code or fingerprint, lock out mode is activated for 3 minutes. Low Battery Alert Low battery alert gives you a simple audible and visual alert to let you know when the batteries are getting low - giving you plenty of time to change the batteries. Convenience It can upgrade your existing door lock and supports door thickness from 38 mm to 80 mm. Smart Etiquette​​​​​​ If you have a little child or often enter/exit your home late at night, you can adjust the volume or mute the key tone of the door opening melody for your family or neighborhood. Alarms Your Yale lock will keep out most burglars, but what if they try to break it with a hammer. Our built-in loud alarm will sound as soon as it is attacked, letting everyone know and scaring the burglar away. Smart Connectivity Video Door Phone Wireless integration with most Video Door phones (For Video Door Phone configuration user would need YRM 20 N and YRM 20 AMC available under Accessory Section) Yale Home APP Works with Yale App to access your lock remotely (Compatible with Yale App, user would need Yale Connect Wifi Bridge and Yale BLE Module available under Accessory Section)