The correct answer is: C. won’t work at some conditions.
Lockitron is a smart lock that allows you to lock and unlock your door with your smartphone. It is a great way to add security to your home, but it does have some drawbacks. One of the biggest drawbacks is that it won’t work at some conditions. For example, if you lose your phone or if your phone’s battery dies, you won’t be able to use Lockitron to lock or unlock your door. Additionally, if you have a poor internet connection, Lockitron may not be able to connect to your phone and you won’t be able to use it.
The other options are not correct. Option A is incorrect because Lockitron does not use a lot of energy. Option B is incorrect because Lockitron can be used with a variety of devices, including smartphones, tablets, and computers. Option D is incorrect because Lockitron is relatively easy to install.