Vanderbilt’s WPIR-EXT is a double quad motion detector that seamlessly blends style and security resulting in a class leading product. This device has a detection range of 3 to 12 metres and can even be configured for use in harsh environments, establishing the highest security protection. The device is easy to mount, easy to pair, and easy to configure, ensuring installation time is minimized. In addition, the device uses enhanced, low current RF technology that provides superior communication and ensures long battery life.