Optex Outdoor PIR Motion Detectors 
Optex VX-402R Outdoor P.I.R. -Runs off Battery! VX402R

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 lithium battery (Not included) Battery Saving Timer: Approx. 120 sec. or 5 sec.