Add Outdoor Security to your wireless alarm system. The VX402R solves these problems by allowing easily install outdoor detection by using your new or existing wireless technology. The VX-402R is compatible with most manufacturers wireless technology and comes with a weatherized back box for easy installation. VX-402R comes with 100lb. Pet Immunity, provides a 40ft. by 40ft. detection pattern and is completely weatherized for direct exposure to the elements. Power Input: 9V DC alkaline or l