how does it have night vision when the camera on the phone doesn't?
These phone cameras are capable of near total darkness photography the way they are now. The camera's sensors are capable of full infrared photography but during the manufacturing process they have an IR filter installed from the factory. This was done to prevent them from being used take near nude photography through clothes via infrared as some early Sony cameras were capable of doing before the filters were installed. Even still, some infrared and near-infrared light gets through to the camera's sensor.
There are several quite impressive apps in the play store that take advantage of this. For instance, the three images below we're just taken by me. I used an app called Night Vision Camera (
Night Vision Camera - Android Apps on Google Play), to take the photos that appear in green. These photos were taken in a darkened room with only a very minimal trickle of light coming through the heavily shaded windows. The app pushes the cameras settings to extremes in order to focus near IR and IR light sensitivity and display it at one spectrum level which is green.
The other photo that you see below in black was taken with the regular camera and no flash pointing at the same object in a darkened room. The object that you see is a television at the foot of my bed and the thermostat on the wall is the light that you see up top on the right in the photograph. The other lights that you see lower on the photograph are the red pilot light on the front of the television (bottom right), and the IR detector (just above to the right) which actually puts out a tiny amount of IR light as well.
To prove this, I took my television remote control and pointed at my camera on my phone in a totally dark room and pressed the button on the remote control and took a photo. You'll be quite surprised to see that the camera actually captures the infrared off of the front of my remote control. In the photo below you'll see two lights. The light in the top in Orange is the actual backlighting of one of the buttons and its reflection off my finger, but the Purple light you see lower and to the left is the infrared emitter on the front of the remote control.
Alfred uses the same technique to accomplish the same goal for night vision in its app.
Because it's not using the phones camera. The phone is a monitor for a security camera.
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I have two old Droid Eris, two Droid Razrs, and a Moto X 1st gen. I could have my entire house on lock down!
So if this doesn't use the phones camera, I need a camera for each phone? Or is it optional?
I'm thinking Mark may be a little confused. From the OP and
@FoxKat's post, it appears to me that you're using the phone's camera.
Yes it is. Use your old cell phone as a security camera. This isn't an app to connect to an existing security camera. The old cell is the security camera.
I'm setting this up now on my maxx.
This is correct. It uses the old phones as the actual security cameras as well as using your current phone for the remote monitoring capability. It's actually quite incredible especially considering it does sense motion and can do low-light photography and video. Also with the ability to turn on the camera's flash remotely, as well as control it's night vision capabilities remotely, you can take it from seeing something in near total darkness in green cast and quickly change it into a full-blown full-color photographs or video with the light.
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