How Do I Know And What Should I Do If The Battery Almost Runs Out?

How Do I Connect To The WiFi Gateway?

How Do I Pair My Mobile App With The D2 Handle Door Locks?

How Do I Reset The D2-BF Handle Smart Locks?

How Do I Setup The Lock Manually On The Keypad?

How To Install D2-BF Smart Handle Door Locks?

How To Set The D2-BF Smart Handle Locks Via Mobile App?

How To Voice Control D2-BF Smart Locks Door Handle?

What Is Included In The D2-BF Handle Lock Package You Bought？

How Can I Tell If It’s A Left-handed Or Right-handed Door?