is 375.93 KB, has a resolution of 1219x1217 pixels and was uploaded on December 30, 2018 @ 12:58 pm by user: bjornsuer. It is filed under the tags: window, passive infrared sensor, megahertz, cobalt blue, security alarms systems. Click the blue button at the top to freely download: Alarm Security Alarms & Systems Device Wireless Passive Infrared Sensor Siren png.