Photoelectric or motion detector security lights on the exterior of the house. Photoelectric lights turn on at dusk and off at dawn. Motion detector lights turn on whenever motion is sensed in the light's range. Usually one in the front and one in the rear is sufficient. Depending on coverage, though, you may want to light the side yards.
Window locks several varieties to choose from depending on the type of window to be protected.
They make entry through a window much more difficult. May lower your insurance premiums When considering a security system for your house, you will want to get at least three different estimates, since costs can vary a good deal. Some systems offer additional services you may want to consider such as panic buttons or integrated smoke and carbon monoxide detectors. Compare the total cost, which includes the installation and set-up cost as well as any other costs and the monthly maintenance fees if you select a monitored system. It is a good idea to ask for at least 2 references of other homeowners from each company giving you an estimate.