Attach this Sensor where it's needed to detect and notify you of movement involving heat and motion from people or pets. Use it to monitor entrances, thoroughfares, spaces requiring authorized entry, anywhere beyond your line of sight to detect motion, movements and much more. The PIR (Passive Infrared) Motion Sensor can be integrated into a complete security system managed on the Swann Security app to receive alerts. It can even be connected to the Indoor Siren for an audible and visible alarm that's a powerful deterrent for intruders. Color: White.