The dimension of this wireless camera is very small, only 2 x 2 cm. In addition, the diameter of its lens is only 2mm (pinhole) which enables this camera to be used as a hidden cam. Just watch the comparison of the size between this camera with a 9V battery. This pinhole camera does not come with bracket so that it can be put easily at hidden places using double tape or glue. A set consists of: a camera, a receiver, an adaptor, a 9V battery connector and a ready to use 1/2 m RCA cable.
There are several disadvatanges of using this security camera. With minimum ilumination of 2 lux, it is only suitable to monitor rooms which are bright enough. Another limitation is the maximum distance between this camera and the receiver is only 20 metres. In addition, utilizing CMOS color, the images generated will not be so sharp. Signals with the same frequency produced by other resources might also cause interference.
However, despite all of its weaknesses, this wireless pinhole camera can be the right device for people who want to increase the level of their home security without having to spend much money. Its price is only about US $40. Its dimension and its wireless capabilitis can make this camera very hard to find by intruders. Just install it behind a picture, a clock or any other hidden locations.
