Here is another tiny camera you can install anywhere to keep an eye on things. The CamON camera has 1080p resolution, motion detection, and night vision. It comes with a plastic body and waterproof case. The camera weighs only 0.38 ounces and runs on a 200mAh battery.
This hidden camera measures 0.9 x 0.9 x 0.9 in. It can record to TF cards up to 32 GB.
[where to get it]