Features and USP: Movement sensor switch does not emit any radiation, and instead relies on IR radiation emitted by all living beings. These sensors work under porticos, basement parking lots with ample natural light conditions. The sensors are used in indoor and outdoor applications for energy saving, utility and security purposes. The product can be installed without any major modifications to existing electrical wiring. There are external fit type and concealed type of sensors. The external fit type (MS101 series) can handle 1000W or 500W depending on the model. The concealed fit versions (MS201 series) are designed to handle a maximum of 600W load.