Check the listing for details. Wattstopper DSW-200-W. Condition: New. Listed at 75.00 USD. The Wattstopper DSW-200-W is a PIR motion sensor designed for industrial automation and motion control systems. This sensor detects changes in infrared radiation to detect movements and trigger the automation system to adjust its settings accordingly. It is a reliable and efficient tool for managing energy usage and improving operational efficiency in various industrial settings. The DSW-200-W is a high-quality product that helps businesses optimize their processes and reduce energy consumption.