The motion sensor is a relatively simple device that can be used for a variety of purposes. It can fix motion in its field of vision and activate the connected device - camcorder, turn on the alarm, turn on the light and t. So it is suitable for saving electricity, and for safety.

You can buy these sensors in this store. The main thing is only to decide on the model, and this will depend on the scope of the sensor itself. There are many options, even if you look at such a simple thing as turning on the light.

It can provide a short switching on of the lighting (up to 5 minutes). This option is needed in dark corridors, on the porch and on the street as a whole. In general - in any place where people are not long. A longer turn-on (for example, 15 minutes) is necessary already in those places where there is no long need to be delayed, but also certain actions must be taken. This list includes a garage, utility room, car parking, bathroom and other.

At the same time, they can be upgraded with a special switch and, if you plan to stay for a long time - just turn on the light and work quietly. In any other case, the lighting will be turned off after a specified time. What is good about such a system? Significant savings on electricity - you will never forget to turn off the lights. Plus in some cases (dark street, entrance and t. ) lighting devices do not have to work all night long.

An additional advantage - even conventional lighting can scare off potential burglars. After all, as soon as they come to the house (gate, window, entrance door), the lamp turns on and they are "in sight". Plus, in some cases, the sensor can be connected to the camcorder (so that it does not completely take off everything that is happening, but only what concerns a certain area).

Are you worried that the sensors will trigger on neighbor cats? Do not - they are initially set up for large objects, so that the maximum will work for really large dogs (if the settings specify the children) and cattle with horses.