... control,mob,tel,key TAIYITO TDX4488 Fingerprint Door Lock smart lockIt can fixed with burglarproof door, wooden door, office door etc, have four ways to open ... , fingerprint control and the key.Have the normally door set open function, in the door lock back have a small button for the ... at home, you can make a call to check the door is open or closed. TAIYITO TDX4488 Fingerprint Door Lock smart lock