Check the listing for details. Wattstopper WPIR Occupancy Sensor version 3 passive infrared occupancy sensor. Condition: New. Listed at 39.00 USD. This Wattstopper WPIR Occupancy Sensor version 3 is a reliable and efficient passive infrared occupancy sensor. It is designed to detect motion and occupancy with high accuracy, making it an ideal choice for industrial automation and motion control applications. The sensor is manufactured by Wattstopper, a trusted brand in the industry, and is suitable for use in a wide range of settings. The sensor is perfect for detecting small movements and is ideal for use in conjunction with other sensors to create a complete solution. It is easy to install and operates seamlessly with a wide range of devices. This occupancy sensor is a must-have for anyone looking to improve their industrial automation and motion control capabilities.