1.wireless 90 zone and 8 zone PSTN LED home alarm system 2.with LED display 3.easy to install and operate 4.with keyboard PSTN LED home alarm security systemDescription:Our PSTN LED home burglar alarm system can be fully armed if you are out, partly armed if you are in and set to exterior mode offering full security to the perimeter of your house. This is not all; our exceptional home burglar ...